Motor vehicles – Surface effect vehicles – Dynamic seal or fluid curtain
Patent
1993-05-17
1994-07-26
Focarino, Margaret A.
Motor vehicles
Surface effect vehicles
Dynamic seal or fluid curtain
180142, 180143, B62D 506
Patent
active
053320557
ABSTRACT:
A power steering apparatus includes a main hydraulic path, a reactive oil pressure supply path, and a hydraulic reaction mechanism. The main hydraulic path supplies an oil pressure from a pump to a flow path switching valve connected to a power cylinder. The reactive oil pressure supply path branches from a portion of the main hydraulic path. The hydraulic reaction mechanism introduces part of the oil pressure, caused to diverge by the reactive oil pressure supply path, into a hydraulic reaction chamber for generating a steering reaction through a hydraulic reaction control valve mechanism controlled in accordance with the traveling conditions of a vehicle. A restriction smaller in diameter than the main hydraulic path is arranged between a branch portion branching from the main hydraulic path and the hydraulic reaction control valve mechanism, midway along the reactive oil pressure supply path.
REFERENCES:
patent: 3744515 (1973-07-01), Inoue
patent: 4784235 (1988-11-01), Ijiri et al.
patent: 4848500 (1989-07-01), Komine et al.
patent: 5135068 (1992-08-01), Emori et al.
patent: 5152359 (1992-10-01), Emori et al.
patent: 5168949 (1992-12-01), Emori et al.
Emori Yasuyoshi
Koike Tetsuya
Nomura Ikuo
Focarino Margaret A.
Jidosha Kiki Co. Ltd.
Mattix Carla
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