Boots – shoes – and leggings
Patent
1990-04-20
1992-04-14
Chin, Gary
Boots, shoes, and leggings
280707, 280840, B60G 1700
Patent
active
051053586
ABSTRACT:
An actively controlled suspension system comprises a hydraulic cylinder disposed between a vehicle body and a suspension member rotatably supporting a vehicular wheel, the hydraulic cylinder defining therein a working chamber, a pressure source including a pump associated with an automotive internal combustion engine to be driven by the output of the engine, a pressure control valve having a first port connected to the working chamber, a second port connected to the pressure source via a supply line and a third port connected to the pressure source via a drain line, the pressure control valve being variable of valve position for selectively establishing and blocking fluid communication between the first port and the second port and between the first port and the third port for adjusting fluid pressure in the working chamber for controlling suspension characteristics, a vertical acceleration sensor for monitoring vertical acceleration exerted on the vehicular body to produce a vertical acceleration indicative signal, first circuit for arithmetically deriving a vertical stroke speed of the vehicular body on the basis of the vertical acceleration indicative signal, second circuit for detecting initiation of arithmetic operation of the first circuit for setting data for use in derivation of the vertical speed in a value for cancelling offset contained in the vertical acceleration indicative signal.
REFERENCES:
patent: 4702490 (1987-10-01), Yamaguchi et al.
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patent: 4865347 (1989-09-01), Fukushima et al.
patent: 4865348 (1989-09-01), Hano et al.
patent: 4888696 (1989-12-01), Akatsu et al.
patent: 4903983 (1990-02-01), Fukushima et al.
patent: 4905152 (1990-02-01), Kawabata
patent: 4927170 (1990-05-01), Wada
patent: 4930082 (1990-05-01), Harara et al.
Kawabata Kazunobu
Takase Sadao
Chin Gary
Nissan Motor Company Limited
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