Startup slip temperature-rise alleviating outlet valve for hydro

Details Startup slip temperature-rise alleviating outlet valve for hydro Startup slip temperature-rise alleviating outlet valve for hydro

1987-03-25

1988-11-01

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

60360, F16D 3310, F16D 3312

Patent

active

047810203

ABSTRACT:
A hydrokinetic coupling has a primary vane wheel (11) and a secondary vane wheel (12), which define a toroidal working chamber. A shell (17) rotates with the primary vane wheel and envelops the secondary vane wheel. A constantly open and throttled outlet port (31) and an outlet valve (32) are disposed within the shell. The outlet valve can be closed by means of fluid pressure generated in a control line (33). In accordance with the invention, the control line has a fluid inlet (34) which is disposed in the shell interior. This is arranged at a determined distance from the axis of rotation of the coupling, so that fluid can only penetrate into the control line (33) if the slip in the coupling has assumed a specific minimum value. In this condition the outlet valve (32) is consequently closed, whereas it is opened at greater slip values.

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patent: 4201050 (1980-05-01), Nixel
patent: 4408462 (1983-10-01), Sakahibara et al.

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