Power plants – Pressure fluid source and motor – Having a mechanical clutch or brake device in the power train
Patent
1990-11-28
1993-04-06
Look, Edward K.
Power plants
Pressure fluid source and motor
Having a mechanical clutch or brake device in the power train
60442, F16D 3102
Patent
active
051992590
ABSTRACT:
The present invention relates to an assembly of a pressurized fluid mechanism and a brake coupled thereto. The assembly comprises an internal fluid distributor value having a communication face defining, within the housing of the assembly, two enclosures separated by the communication face and a brake comprising a brake-release chamber. The brake-release chamber is in permanent communication with at least one of the two enclosures resulting in a high yield motor of moderate cost.
REFERENCES:
patent: 2789542 (1957-04-01), Vander Kaay
patent: 3726801 (1973-04-01), Sterner et al.
patent: 3805526 (1974-04-01), Charron
patent: 4204817 (1980-05-01), Kervagoret
patent: 4481769 (1984-11-01), Nagahara
patent: 4557109 (1985-12-01), Nagahara et al.
patent: 4845949 (1989-07-01), Shivvers et al.
patent: 4930312 (1990-06-01), Metcalf
Noel Alain W.
Perot Marc L.
Look Edward K.
Nguyen Hoang
Poclain Hydraulics
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