Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1997-10-10
1999-11-30
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
137614, 137269, 285914, F16L 3728
Patent
active
059924560
ABSTRACT:
A coupling sleeve (2) for receiving a coupling plug (20, 20'), which two parts, together, form a hydraulic coupling and serve to connect two hydraulic pipes. The coupling sleeve (2) has a housing (1) and a receiving chamber (4) to receive and secure a coupling plug (20, 20'). The housing (1) is associated with a valve (5). The valve (5) is operated from the outside and can be transferred into an open position to establish a connection with the receiving chamber (4). The receiving chamber (4) is associated with a sealing member to achieve a sealing effect relative to the coupling plug. The receiving chamber is designed to receive, alternatively, at least two different coupling plugs. For this purpose, the receiving chamber is provided with separate sealing elements (13, 14). Each sealing element (13, 14) serves to seal only one of the different coupling plugs. Thus, depending on the design of the coupling plug, a different sealing member becomes effective. This achieves an easy coupling operation.
REFERENCES:
patent: 3170667 (1965-02-01), Szohatzky
patent: 5167398 (1992-12-01), Wade et al.
patent: 5294092 (1994-03-01), Wade et al.
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