F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/41.1
F15B 15/18 (2006.01) B66D 1/44 (2006.01) F16H 61/42 (2006.01)
Patent
CA 1093427
Abstract of the Disclosure A nonlinear hydraulic pump control provides a primary control output as a mechanical actuator arm displacement either side of a neutral or "Off" position. A secondary control, also cam activated, operates in selectable offset sequence with the primary output, with the offset magnitude being selectively adjustable and effected either symmetrically about the primary control neutral position or differentially with respect thereto. The secondary control is useful in starting, stopping, or modulating accessory gear which cooperates with the pump operation, such as brake release control for a hydraulic winch to assure controlling hydraulic pressure buildup prior to brake release for both inhaul and outhaul operations where the winch cable is constantly subjected to tension loading.
298918
Hewitt Neville S.
Otis Engineering Corporation
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