VALVE ASSEMBLY
First Claim
1. A valve assembly comprising:
- a body including,a first open end,a second open end,a passageway extending between the first and the second open ends,a first port defined by the body and connected to the passageway,a second port defined by the body and connected to the passageway adjacent the first port,a third port defined by the body and connected to the passageway, anda fourth port defined by the body and connected to the passageway;
a first valve member received in the passageway at an intersection of the passageway and the first port, the valve member including a tee shaped passage such that, in a first position the valve member opens the passageway and the first port, in a second position the valve member closes the passageway and connects the first open end to the first port, in a third position the valve member closes the passageway and connects the first port to the second open end, and in a fourth position the valve member opens the passageway and closes the first port; and
a second valve member for opening and closing the third port.
1 Assignment
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Accused Products
Abstract
A valve assembly including a body having a first end, a second end, a passageway extending between the first and the second ends, and four ports defined by the body and connected to the passageway. The assembly also has a first valve member received in the passageway at an intersection of the passageway and the first port, the valve member including a tee shaped passage such that in a first position the valve member opens the passageway and the first port, in a second position closes the passageway and connects the first end to the first port, in a third position closes the passageway and connects the first port to the second end, and in a fourth position opens the passageway and closes the first port. The assembly also includes a second valve member for opening and closing the third port.
21 Citations
10 Claims
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1. A valve assembly comprising:
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a body including, a first open end, a second open end, a passageway extending between the first and the second open ends, a first port defined by the body and connected to the passageway, a second port defined by the body and connected to the passageway adjacent the first port, a third port defined by the body and connected to the passageway, and a fourth port defined by the body and connected to the passageway; a first valve member received in the passageway at an intersection of the passageway and the first port, the valve member including a tee shaped passage such that, in a first position the valve member opens the passageway and the first port, in a second position the valve member closes the passageway and connects the first open end to the first port, in a third position the valve member closes the passageway and connects the first port to the second open end, and in a fourth position the valve member opens the passageway and closes the first port; and a second valve member for opening and closing the third port. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A valve assembly comprising:
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a unitary body having a first open end, a second open end, a passageway extending between the first and the second open ends, a first port defined by the body and connected to the passageway, a second port defined by the body and connected to the passageway adjacent the first port, a third port defined by the body and connected to the passageway, and a fourth port defined by the body and connected to the passageway; a first valve member received in the passageway at an intersection of the passageway and the first and the second ports, the valve member including a tee shaped passage such that, in a first position the valve member opens the passageway and the first port, in a second position the valve member closes the passageway and connects the first open end to the first port, in a third position the valve member closes the passageway and connects the first port to the second open end, and in a fourth position the valve member opens the passageway and closes the first port; an annular end cap received in the first end of the body, securing the first valve member in the body; a valve stem connected to the first valve member and extending through the second port to a distal end; a second valve member for opening and closing the third port; a pressure gage secured in the fourth port. - View Dependent Claims (9, 10)
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Specification