Automatic valving unit, and pressure vessel having automatic valving
First Claim
1. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for conditioning and/or purifying a fluid, comprisinga valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line,an outlet port formed at an outlet end portion of the first passageway in the valve head,first valve means positioned in the first passageway of the valve head for blocking flow of fluid through the first passageway of the valve head when the pressure vessel is not connected to the valve head,fluid inlet means formed on the pressure vessel for providing a passageway for fluid into the pressure vessel,said fluid inlet means including first valve actuating means for opening the first valve means when the pressure vessel is connected to the valve head,connecting/disconnecting means formed on the outlet port of the valve head and on the fluid inlet means of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the first passageway of the valve head to the fluid inlet means of the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the first passageway of the valve head,an annular passageway portion of the first passageway defined by opposing first passageway walls, said opposing passageway walls being tapered towards each other along the annular passageway portion forming a first valve seat, andan annular seal positioned in the annular passageway portion of the first passageway, the annular seal being sized to block flow of a fluid through the first passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the first passageway when the annular seal is displaced from the first valve seat.
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Accused Products
Abstract
An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for conditioning and/or purifying a fluid, comprises a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, a first valve member positioned in the first passageway of the valve head for blocking flow of fluid through the first passageway of the valve head when the pressure vessel is not connected to the valve head, a fluid inlet member formed on the pressure vessel for providing a passageway for fluid into the pressure vessel, said fluid inlet member including a first valve actuating member for opening the first valve member when the pressure vessel is connected to the valve head, and connecting/disconnecting members formed on the outlet port of the valve head and on the fluid inlet member of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the first passageway of the valve head to the fluid inlet member of the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the first passageway of the valve head.
58 Citations
16 Claims
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1. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for conditioning and/or purifying a fluid, comprising
a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, first valve means positioned in the first passageway of the valve head for blocking flow of fluid through the first passageway of the valve head when the pressure vessel is not connected to the valve head, fluid inlet means formed on the pressure vessel for providing a passageway for fluid into the pressure vessel, said fluid inlet means including first valve actuating means for opening the first valve means when the pressure vessel is connected to the valve head, connecting/disconnecting means formed on the outlet port of the valve head and on the fluid inlet means of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the first passageway of the valve head to the fluid inlet means of the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the first passageway of the valve head, an annular passageway portion of the first passageway defined by opposing first passageway walls, said opposing passageway walls being tapered towards each other along the annular passageway portion forming a first valve seat, and an annular seal positioned in the annular passageway portion of the first passageway, the annular seal being sized to block flow of a fluid through the first passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the first passageway when the annular seal is displaced from the first valve seat.
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5. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for conditioning and/or purifying a fluid, comprising
a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, first valve means positioned in the first passageway of the valve head for blocking flow of fluid through the first passageway of the valve head when the pressure vessel is not connected to the valve head, fluid inlet means formed on the pressure vessel for providing a passageway for fluid into the pressure vessel, said fluid inlet means including first valve actuating means for opening the first valve means when the pressure vessel is connected to the valve head, and connecting/disconnecting means formed on the outlet port of the valve head and on the fluid inlet means of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the first passageway of the valve head to the fluid inlet means of the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the first passageway of the valve head, further including a second passageway extending through the valve head adapted to be connected to a fluid receiving line at an outlet port of the second passageway, an inlet port formed at an inlet end portion of the second passageway of the valve head, second valve means positioned in the second passageway of the valve head for blocking flow of fluid from the inlet port of the second passageway of the valve head when the pressure vessel is not connected to the valve head, and fluid outlet means formed on the pressure vessel for providing a passageway for fluid from the pressure vessel, said fluid outlet means including second valve actuating means for opening the second valve means when the pressure vessel is connected to the valve head.
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11. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for conditioning and/or purifying a fluid, comprising
a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, first valve means positioned in the first passageway of the valve head for blocking flow of fluid through the first passageway of the valve head when the pressure vessel is not connected to the valve head, fluid inlet means formed on the pressure vessel for providing a passageway for fluid into the pressure vessel, said fluid inlet means including first valve actuating means for opening the first valve means when the pressure vessel is connected to the valve head, and connecting/disconnecting means formed on the outlet port of the valve head and on the fluid inlet means of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the first passageway of the valve head to the fluid inlet means of the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the first passageway of the valve head, the first valve means including, an annular passageway portion of the first passageway defined by opposing first passageway walls, said opposing passageway walls being tapered towards each other along the annular passageway portion forming a first valve seat, and an annular seal positioned in the annular passageway portion of the first passageway, the annular seal being sized to block flow of a fluid through the first passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the first passageway when the annular seal is displaced from the first valve seat, the fluid inlet means including a first tube, the first valve actuating means including an end portion of the first tube sized to be received in the annular passageway portion of the first passageway of the valve head to push the annular seal away from the first valve seat without closing the outlet port of the valve head to allow flow of fluid from the outlet port of the valve head into the first tube of the pressure vessel when the pressure vessel is connected to the valve head, the connecting/disconnecting means including threads formed on an outer surface of the first tube and matching threads formed on the valve head, further including a second passageway extending through the valve head adapted to be connected to a fluid receiving line at an outlet port of the second passageway, an inlet port formed at an inlet end portion of the second passageway of the valve head, second valve means positioned in the second passageway of the valve head for blocking flow of fluid from the inlet port of the second passageway of the valve head when the pressure vessel is not connected to the valve head, and fluid outlet means formed on the pressure vessel for providing a passageway for fluid from the pressure vessel, said fluid outlet means including second valve actuating means for opening the second valve means when the pressure vessel is connected to the valve head, the second valve means including a first section of the second passageway of the valve head having a circular cross-section, a second section of the second passageway which is adjacent to the first section of the second passageway, the cross-section of the first section being smaller than the cross-section of the second section, a second valve seat formed between the first and second sections of the second passageway, and a spherical seal positioned in the second passageway of the valve head, the spherical seal being sized to block flow of fluid from the inlet port of the second passageway of the valve head when the spherical seal rests on the second valve seat and to permit flow of fluid through the second passageway of the valve head when the spherical seal is displaced from the second valve seat, the fluid outlet means formed on the pressure vessel including a second tube having a passageway extending therethrough, the second tube having an end portion sized to engage the inlet port of the valve head, the second valve actuating means including a perforated platform positioned in and extending across the inside of the second tube of the outlet port of the pressure vessel, and a valve actuating pin positioned on the platform for pushing the spherical seal away from the second valve seat in the inlet port of the valve head to permit flow of fluid from the second tube of the pressure vessel to and through the second passageway of the valve head when the pressure vessel is connected to the valve head, the second tube of the outlet port of the pressure vessel being positioned inside the first tube of the fluid inlet means of the pressure vessel, and the second passageway in the valve head being positioned inside the annular passageway portion of the first passageway of the valve head.
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12. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for a conditioning and/or purifying a fluid, comprising
a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, the first passageway having an annular passageway portion at its outlet end portion defined by opposing passageway walls, said opposing passageway walls being tapered towards each other resulting in the first passageway having a cross-section that narrows towards the outlet port of the valve head, the tapered opposing passageway walls forming a first valve seat, an annular seal positioned in the annular passageway portion of the first passageway, the annular seal being sized to block flow of a fluid through the first passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the first passageway when the annular seal is displaced from the first valve seat, fluid inlet means formed on the pressure vessel, the fluid inlet means comprising a first tube, the first tube having an end portion being sized to be received in the annular passageway portion of the first passageway of the outlet port of the valve head to push the annular seal away from the first valve seat without closing the outlet port of the valve head to allow flow of fluid from the outlet port of the valve head into the first tube of the pressure vessel when the pressure vessel is connected to the valve head, and connecting/disconnecting means formed at the outlet port of the valve head and on the first tube of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the valve head to the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the valve head.
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13. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for a conditioning and/or purifying a fluid, comprising
a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, the first passageway having an annular passageway portion at its outlet end portion defined by opposing passageway walls, said opposing passageway walls being tapered towards each other resulting in the first passageway having a cross-section that narrows towards the outlet port of the valve head, the tapered opposing passageway walls forming a first valve seat, an annular seal positioned in the annular passageway portion of the first passageway, the annular seal being sized to block flow of a fluid through the first passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the first passageway when the annular seal is displaced from the first valve seat, fluid inlet means formed on the pressure vessel, the fluid inlet means comprising a first tube, the first tube having an end portion being sized to be received in the annular passageway portion of the first passageway of the outlet port of the valve head to push the annular seal away from the first valve seat without closing the outlet port of the valve head to allow flow of fluid from the outlet port of the valve head into the first tube of the pressure vessel when the pressure vessel is connected to the valve head, and connecting/disconnecting means formed at the outlet port of the valve head and on the first tube of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the valve head to the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the valve head, further including a second passageway formed in and extending through the valve head and being adapted to be connected to a fluid receiving line at an outlet port of the second passageway, an inlet port formed at an inlet end portion of the second passageway in the valve head, the second passageway having an inner end portion and an outer end portion, the second passageway at the outer end portion of the second passageway having at the inlet port of the valve head a cross-section that is smaller than a cross-section of the second passageway at the inner end portion of the second passageway, forming a second valve seat therebetween, a spherical seal positioned in the second passageway of the inlet port of the valve head, the spherical seal being sized to block flow of a fluid from the second passageway of the inlet port of the valve head when the spherical seal rests on the valve seat and to permit flow of fluid through the second passageway of the inlet port of the valve head when the spherical seal is displaced from the second valve seat, an outlet port of the pressure vessel, the outlet port of the pressure vessel comprising a second tube having a passageway extending therethrough, the second tube having an end portion having a cross-section sized to engage the inlet port of the valve head, a perforated platform positioned in the second tube of the outlet port of the pressure vessel, and a valve actuating pin positioned on the platform for pushing the spherical seal away from the second valve seat at the inlet port of the valve head to permit flow of fluid from the second tube of the pressure vessel to and through the second passageway of the valve head when the pressure vessel is connected to the valve head.
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14. An automatic valving unit for a pressure vessel that holds a cartridge, loose media, and the like for a conditioning and/or purifying a fluid, comprising
a valve head having a first passageway extending through it and being adapted to be connected to a fluid transmission line, an outlet port formed at an outlet end portion of the first passageway in the valve head, the first passageway having an annular passageway portion at its outlet end portion defined by opposing passageway walls, said opposing passageway walls being tapered towards each other resulting in the first passageway having a cross-section that narrows towards the outlet port of the valve head, the tapered opposing passageway walls forming a first valve seat, an annular seal positioned in the annular passageway portion of the first passageway, the annular seal being sized to block flow of a fluid through the first passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the first passageway when the annular seal is displaced from the first valve seat, fluid inlet means formed on the pressure vessel, the fluid inlet means comprising a first tube, the first tube having an end portion being sized to be received in the annular passageway portion of the first passageway of the outlet port of the valve head to push the annular seal away from the first valve seat without closing the outlet port of the valve head to allow flow of fluid from the outlet port of the valve head into the first tube of the pressure vessel when the pressure vessel is connected to the valve head, and connecting/disconnecting means formed at the outlet port of the valve head and on the first tube of the pressure vessel for connecting the pressure vessel to the valve head, when desired, to permit flow of fluid from the valve head to the pressure vessel, and for disconnecting the pressure vessel from the valve head, when desired, to stop flow of fluid from the valve head, further including a second passageway formed in and extending through the valve head and being adapted to be connected to a fluid receiving line at an outlet port of the second passageway, an inlet port formed at an inlet end portion of the second passageway in the valve head, the second passageway having an inner end portion and an outer end portion, the second passageway at the outer end portion of the second passageway having at the inlet port of the valve head a cross-section that is smaller than a cross-section of the second passageway at the inner end portion of the second passageway, forming a second valve seat therebetween, a spherical seal positioned in the second passageway of the inlet port of the valve head, the spherical seal being sized to block flow of a fluid from the second passageway of the inlet port of the valve head when the spherical seal rests on the valve seat and to permit flow of fluid through the second passageway of the inlet port of the valve head when the spherical seal is displaced from the second valve seat, an outlet port of the pressure vessel, the outlet port of the pressure vessel comprising a second tube having a passageway extending therethrough, the second tube having an end portion having a cross-section sized to engage the inlet port of the valve head, a perforated platform positioned in the second tube of the outlet port of the pressure vessel, and a valve actuating pin positioned on the platform for pushing the spherical seal away from the second valve seat at the inlet port of the valve head to permit flow of fluid from the second tube of the pressure vessel to and through the second passageway of the valve head when the pressure vessel is connected to the valve head, the second tube of the outlet port of the pressure vessel being positioned inside the first tube of the fluid inlet means of the pressure vessel, and the second passageway in the valve head being positioned inside the annular passageway portion of the first passageway of the valve head.
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15. An automatic valving unit for permitting flow of a fluid from a fluid transmitting member to a fluid receiving member when the fluid transmitting member is connected to the fluid receiving member and for stopping flow from the fluid transmitting member when the fluid receiving member is disconnected from the transmitting fluid member, comprising
an outlet port of the fluid transmitting member, the outlet port comprising an annular passageway defined by opposing passageway walls, the passageway having an inner end portion and an outer end portion, the passageway having a portion where the opposing passageway walls are tapered towards each other resulting in the passageway having a cross-section that narrows towards the outer end portion of the passageway, the tapered opposing passageway walls forming a first valve seat, an annular seal positioned in the annular passageway, the annular seal being sized to block flow of a fluid through the annular passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the annular passageway when the annular seal is displaced from the first valve seat, an inlet port of the fluid receiving member, the inlet port comprising a first tube, the first tube having an end portion sized to be received in the annular passageway of the outlet port of the fluid transmitting member to push the annular seal away from the first valve seat without closing the outlet port of the fluid transmitting member to allow flow of fluid from the outlet port of the fluid transmitting member into the inlet port of the fluid receiving member when the fluid receiving member is connected to the fluid transmitting member, and connecting/disconnecting means formed at the outlet port of the fluid transmitting member and on the first tube of the inlet port of the fluid receiving member for connecting the fluid receiving member to the fluid transmitting member, when desired, to permit flow of fluid from the fluid transmitting member to the fluid receiving member, and for disconnecting the fluid receiving member from the fluid transmitting member, when desired, to stop flow of fluid from the fluid transmitting member.
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16. In combination, an outlet port of a fluid transmitting member and a pressure vessel adapted to be mounted on the outlet port for holding a filter for conditioning and/or purifying fluid transmitted from the outlet port,
the outlet port comprising an annular passageway defined by opposing passageway walls, the passageway having an inner end portion and an outer end portion, the passageway having a portion where the opposing passageway walls are tapered towards each other resulting in the passageway having a cross-section that narrows towards the outer end portion of the passageway, the tapered opposing passageway walls forming a first valve seat, an annular seal positioned in the annular passageway, the annular seal being sized to block flow of a fluid through the passageway when the annular seal rests on the first valve seat and to permit flow of fluid through the passageway when the annular seal is displaced from the valve seat, the pressure vessel comprising a cover having a top wall and a side wall extending downwardly therefrom, inlet means formed in the top wall of the cover for introducing fluid to the pressure vessel, the inlet means including a first tube, the first tube having an end portion sized to be received in the annular passageway of the outlet port of the fluid transmitting member to push the annular seal away from the first valve seat without closing the outlet port of the fluid transmitting member to allow flow of fluid from the outlet port of the fluid transmitting member into the first tube of the pressure vessel when the pressure vessel is connected to the fluid transmitting member, and connecting/disconnecting means formed on the outlet port of the fluid transmitting member and on the first tube of the inlet port of the pressure vessel for connecting the pressure vessel to the fluid transmitting member, when desired, to permit flow of fluid from the fluid transmitting member to the pressure vessel, and for disconnecting the pressure vessel from the fluid transmitting member, when desired, to stop flow of fluid from the fluid transmitting member.
Specification