Valve device for a heat exchanger located in a bypass in a cooli

Details Valve device for a heat exchanger located in a bypass in a cooli Valve device for a heat exchanger located in a bypass in a cooli

1999-03-04

1999-12-14

Hepperle, Stephen M.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137460, 1375122, 1375991, 123 411, G05D 701

Patent

active

060004215

ABSTRACT:
A cooling circuit includes a valve device (1, 1', 1") for a separate heat exchanger (42), especially of an internal combustion engine (48). To achieve a combined pressure limitation and pipe or hose break valve, a valve body (6, 35, 50), upon reaching a coolant throughput for maximum heat transfer in heat exchangers (42) located downstream, is actuated as a function of delivery pressure into an engaged position with a valve seat (5, 51). A throttle passage (7, 36, 52) maintains a coolant throughput that corresponds to maximum heat transfer. In the event of a pipe or hose break, the valve body (6, 35, 50) serving as part of a pipe or hose break is locked in a closed position.

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patent: 5564458 (1996-10-01), Roth et al.
patent: 5566881 (1996-10-01), Inoue et al.
patent: 5762266 (1998-06-01), Okumura et al.

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