Combined inlet and outlet fitting
First Claim
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1. A combined inlet and outlet fitting for a fluid handling mechanism, comprising:
- an elongated block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and said outlet passage having corresponding one ends adapted to be connected to the fluid handling mechanism in order to supply fluid to and to remove fluid from the mechanism, respectively, the opposite ends of said inlet passage and said outlet passage extending through the same one longitudinal end of said block;
a coupling having one side attached to said one end of said block, said coupling having an inlet port adapted to be connected to a fluid supply conduit and a substantially oppositely directed outlet port adapted to be connected to a fluid discharge conduit, said coupling being interengaged at its said one side with said one end of said block so that said coupling can be moved arcuately about an axis extending lengthwise of said block so that said inlet and outlet ports can be located at selectable angular positions relative to said elongated block while remaining in fluid flow communication with said inlet and outlet passages, respectively; and
fastening means for releasably securing said coupling in fluid-tight sealed relationship with said block, wherein the improvement comprises a fixed imperforate wall extending transversely across the coupling to commonly close the inner ends of said ports, said one end of said block being of circular cross section with a peripheral wall coaxial with said axis, said block being generally cylindrical from end to end to facilitate its lengthwise insertion into said mechanism, said coupling having a circular but shallow recess means in its said one side of diameter larger than said ports and into which slightly projects said one end of said block, lateral through openings of diameter less than said ports extending closely along the opposite side of said transverse wall from the inner ends of the respective inlet and outlet ports through said one side of said coupling, one said passage and said lateral through opening at the inner end of one said port together forming a straight through continuous elongate hole containing said axis of arcuate movement therein, said one end of said block having an annular groove therein loosely surrounding said hole and communicating with the other said passage in said block and with said lateral through opening at the inner end of the other said port, said recess means in said coupling and the circular cross section end of said block projecting thereinto having opposed fluid sealing faces, said fastening means extending in a direction away from said block through said coupling and having a portion accessible from the end of said coupling remote from the block for releasing said coupling from said block.
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Abstract
A combined inlet and outlet fitting for a fluid handling mechanism comprising a block having an inlet passage and an outlet passage having corresponding one ends adapted to be connected to the mechanism and the opposite ends thereof extending to the same one longitudinal end of the block. A coupling is attached to said one end of the block so that it can be moved arcuately relative to the block. The coupling has inlet and outlet ports connected to said inlet and outlet passages, respectively. Fastening means are provided for releasably securing said coupling in fluid-tight sealed relationship with said block.
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Citations
26 Claims
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1. A combined inlet and outlet fitting for a fluid handling mechanism, comprising:
an elongated block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and said outlet passage having corresponding one ends adapted to be connected to the fluid handling mechanism in order to supply fluid to and to remove fluid from the mechanism, respectively, the opposite ends of said inlet passage and said outlet passage extending through the same one longitudinal end of said block;
a coupling having one side attached to said one end of said block, said coupling having an inlet port adapted to be connected to a fluid supply conduit and a substantially oppositely directed outlet port adapted to be connected to a fluid discharge conduit, said coupling being interengaged at its said one side with said one end of said block so that said coupling can be moved arcuately about an axis extending lengthwise of said block so that said inlet and outlet ports can be located at selectable angular positions relative to said elongated block while remaining in fluid flow communication with said inlet and outlet passages, respectively; and
fastening means for releasably securing said coupling in fluid-tight sealed relationship with said block, wherein the improvement comprises a fixed imperforate wall extending transversely across the coupling to commonly close the inner ends of said ports, said one end of said block being of circular cross section with a peripheral wall coaxial with said axis, said block being generally cylindrical from end to end to facilitate its lengthwise insertion into said mechanism, said coupling having a circular but shallow recess means in its said one side of diameter larger than said ports and into which slightly projects said one end of said block, lateral through openings of diameter less than said ports extending closely along the opposite side of said transverse wall from the inner ends of the respective inlet and outlet ports through said one side of said coupling, one said passage and said lateral through opening at the inner end of one said port together forming a straight through continuous elongate hole containing said axis of arcuate movement therein, said one end of said block having an annular groove therein loosely surrounding said hole and communicating with the other said passage in said block and with said lateral through opening at the inner end of the other said port, said recess means in said coupling and the circular cross section end of said block projecting thereinto having opposed fluid sealing faces, said fastening means extending in a direction away from said block through said coupling and having a portion accessible from the end of said coupling remote from the block for releasing said coupling from said block.- View Dependent Claims (2, 3, 4, 5, 6)
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7. A steam trap, comprising:
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a casing defining a water-tight chamber having a cylindrical side wall and closed top and bottom walls; an elongated block mounted on said cylindrical side wall adjacent the upper end thereof, said block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and said outlet passage having inner end portions opening into said chamber, the opposite ends of said inlet passage and said outlet passage extending to the same one longitudinal end of said block; gravity responsive valve means in said chamber for opening and closing said outlet passage; an inlet means disposed within said chamber and operatively connecting said inlet passage to said valve means for controlling the latter in response to steam and condensate received from said inlet passage; a coupling attached to said one end of said block, said coupling having an inlet port adapted to be connected to a fluid supply conduit and an outlet port adapted to be connected to a fluid discharge conduit, said coupling being interengaged with said one end of said block so that said coupling can be moved arcuately about an axis extending lengthwise of said block so that said inlet and outlet ports can be located at selectable angular positions relative to said elongated block while remaining in fluid flow communication with said inlet and outlet passages, respectively; and fastening means for releasably securing said coupling in fluid-tight sealed relationship with said block. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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8. A fluid handling mechanism, comprising:
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a casing defining a water-tight chamber having a cylindrical side wall and closed top and bottom walls, said casing having at least one opening in said cylindrical side wall adjacent the upper end thereof; an elongated block of cross-sectional shape corresponding to that of said opening, said block being inserted lengthwise snugly through said opening to extend lengthwise substantially diametrically across said chamber, said block having a middle portion at said opening and fixed sealingly to said casing adjacent the edge of said opening, one longitudinal end of the block extending outward from the casing, the other end of said block being adjacent the cylindrical side wall on the side of the casing remote from said opening, said block abutting against said casing adjacent its said other end and remote from said opening, the block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and said outlet passage having inner end portions opening downwardly into said chamber, the opposite ends of said inlet passage and said outlet passage opening through said one longitudinal end of said block; fluid handling means disposed in said chamber and operatively connected with said inner end portions of said inlet and outlet passages; a coupling attached to said one end of said block beside the casing, said coupling having an inlet port adapted to be connected to a fluid supply conduit and an outlet port adapted to be connected to a fluid discharge conduit, said coupling being interengaged with said one end of said block so that said coupling can be moved arcuately about an axis extending lengthwise of said block so that said inlet and outlet ports can be located at selectable angular positions relative to said elongated block while remaining in fluid flow communication with said inlet and outlet passages, respectively; and fastening means for releasably securing said coupling in fluid-tight sealed relationship with said block.
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9. An inverted bucket steam trap, comprising:
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a casing defining a water-tight chamber having a cylindrical side wall and closed top and bottom walls; an elongated block mounted on said cylindrical side wall adjacent the upper end thereof, said block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and said outlet passage having inner end portions opening downwardly into said chamber, said end portion of said outlet passage having a valve seat thereon inside said chamber, the opposite ends of said inlet passage and said outlet passage extending to the same one longitudinal end of said block; a valve member movably disposed in said chamber and adapted to be moved into and out of sealing engagement with said valve seat; operating lever means disposed in said chamber and responsive to vertically applied force to effect movement of said valve member toward and away from said valve seat; a vertically movable inverted bucket disposed in said chamber and having a vertical side wall which is open at its bottom and has a wall at its top and a connection from the top wall of the bucket to said operating lever means whereby vertical movement of said inverted bucket in said chamber will effect movement of said operating lever means thereby to open or close said valve member; an inlet tube disposed within said chamber and connected at its upper end to said lower end of said inlet passage for receiving steam and condensate therefrom, the lower end of said inlet tube extending upwardly into said inverted bucket; a coupling attached to said one end of said block, said coupling having an inlet port adapted to be connected to a fluid supply conduit and an outlet port adapted to be connected to a fluid discharge conduit, said coupling being connected with said one end of said block at any desired angular position about an axis extending lengthwise of said block; and fastening means for securing said coupling in fluid-tight sealed relationship with said block with said inlet and outlet ports located at the desired angular position relative to said elongated block and in fluid flow communication with said inlet and outlet passages, respectively.
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10. An inverted bucket steam trap, comprising:
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a casing defining a water-tight chamber having a cylindrical side wall and closed top and bottom walls; an elongated block mounted on said cylindrical side wall adjacent the upper end thereof, said block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and said outlet passage having inner end portions opening downwardly into said chamber, said end portion of said outlet passage having a valve seat thereon inside said chamber, the opposite ends of said inlet passage and said outlet passage extending to the same one longitudinal end of said block; a valve member movably disposed in said chamber and adapted to be moved into and out of sealing engagement with said valve seat; operating lever means disposed in said chamber and responsive to vertically applied force to effect movement of said valve member toward and away from said valve seat; a vertically movable inverted bucket disposed in said chamber and having a vertical side wall which is open at its bottom and has a wall at its top and a connection from the top wall of the bucket to said operating lever means whereby vertical movement of said inverted bucket in said chamber will effect movement of said operating lever means thereby to open or close said valve member; an inlet tube disposed within said chamber and connected at its upper end to said lower end of said inlet passage for receiving steam and condensate therefrom, the lower end of said inlet tube extending upwardly into said inverted bucket; a coupling attached to said one end of said block, said coupling having an inlet port adapted to be connected to a fluid supply conduit and an outlet port adapted to be connected to a fluid discharge conduit, said coupling being interengaged with said one end of said block so that said coupling can be moved arcuately about an axis extending lengthwise of said block so that said inlet and outlet ports can be located at selectable angular positions relative to said elongated block while remaining in fluid flow communication with said inlet and outlet passages, respectively; and fastening means for releasably securing said coupling in fluid-tight sealed relationship with said block. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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25. A fluid handling mechanism, comprising:
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a casing containing fluid handling means; an elongated block having an inlet passage and an outlet passage extending lengthwise through said block, said inlet passage and outlet passage having corresponding one ends adapted to be connected to the fluid handling means in order to supply fluid to and to remove fluid from the fluid handling means, respectively, the opposite ends of said inlet passage and outlet passage extending through the same one longitudinal end of said block; a coupling having one side attached to said one end of said block, said coupling having an inlet port adapted to be connected to a fluid supply conduit and a substantially oppositely directed outlet port adapted to be connected to a fluid discharge conduit, said coupling being interengaged at its said one side with said one end of said block so that said coupling can be moved arcuately about an axis extending lengthwise of said block so that said inlet and outlet ports can be located at selectable angular positions relative to said elongated block while remaining in fluid flow communication with said inlet and outlet passages, respectively; and fastening means for releasably securing said coupling in fluid-tight sealed relationship with said block, said block protruding as an axially elongate neck of circuit cross-section cantilevered out from said casing, said fastening means including a collar sleeved on said neck in a zone spaced outward from said casing for rotation with respect to said casing and axially opposing said coupling, axial blocking means on said neck and spaced from said casing for limiting axial movement of said collar away from said casing, plural fastening members distributed circumferentially on said coupling and collar and tightenable to urge said coupling toward said collar, that surface of said collar which axially opposes said coupling and through which said fastening means extends being offset axially away from said casing beyond said axial blocking means on said neck, axial stop means removably fixed on said neck between said axial blocking means and casing for preventing unintended axial shifting of said collar out of surrounding relation with said axial blocking means, seal means interposed between said one end of said neck and the opposed side of said coupling and responsive to tightening of said fastening members for sealing connecting said inlet and outlet ports with said inlet and outlet passages respectively, said seal means being offset radially inward with respect to said collar such that said collar is free of contact with said seal means. - View Dependent Claims (26)
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Specification