Controlled type rotation speed difference sensitive coupling

Details Controlled type rotation speed difference sensitive coupling Controlled type rotation speed difference sensitive coupling

1990-05-02

1992-08-11

Lorence, Richard

192 clutches and power-stop control

Clutches

Fluent material

475 89, 475 99, F16D 3102, F16H 1445

Patent

active

051371308

ABSTRACT:
A controlled type rotation speed difference sensitive coupling is disclosed, which is for use between first and second rotatable members. The coupling comprises a drive housing connected to the first rotatable member, a rotor connected to the second rotatable member and rotatably received in the housing, and driving pistons operatively carried by the rotor having head portions thereof slidably engaged with a cam surface wall formed on an inner surface of the drive housing. The rotor has at its center portion a spool chamber in which a spool is disposed. Balance passages and relief passages extend respectively between working chambers defined by the driving pistons and the spool chamber. Each balance passage has an orifice which is exposed to the spool chamber and closable by the spool. The orifice is non-circular in shape.

REFERENCES:
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patent: 4825989 (1989-05-01), Frigger
patent: 4899859 (1990-02-01), Teraoka
patent: 4913270 (1990-04-01), Ishido et al.
patent: 4934497 (1990-06-01), Ishizeki et al.
patent: 4958711 (1990-09-01), Okubo et al.
patent: 5024309 (1991-06-01), Takemura et al.

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