Power plants – Pressure fluid source and motor – Pulsator
Patent
1989-12-05
1991-07-16
Look, Edward K.
Power plants
Pressure fluid source and motor
Pulsator
92 5R, 200 84C, 73308, 340624, 32420712, B60T 1126, F15B 708, H01H 3518
Patent
active
050314050
ABSTRACT:
In a hydraulic reservoir of a master cylinder for vehicle including: a main body having an internal space for storing brake fluid; a float provided with permanent magnet, so arranged as to be vertically movable in the internal space of the main body; a reed switch attached to the outside surface of the main body, the reed switch being actuated by magnetic force of the permanent magnet, when the float with permanent magnet is positioned under a predetermined level; and a hollow for attaching the reed switch to the outside surface of the main body, the reed switch is supported by a support member in the hollow, a rubber bush is tightly and elastically fitted to the inside wall of the hollow and a fixing member is so fitted to the hollow as to push the rubber bush to the support means, terminals of the reed switch being inserted tightly through holes of the rubber bush whereby the reed switch is held in the hollow.
REFERENCES:
patent: 4057700 (1977-11-01), Nakashima
patent: 4488404 (1984-12-01), Arakawa
patent: 4500761 (1985-02-01), Kubota et al.
patent: 4513184 (1985-04-01), Hughes
patent: 4673876 (1987-06-01), Paulsen
patent: 4926015 (1990-05-01), Takahashi et al.
Ishiwata Ichiro
Takahashi Toshiyuki
Denion Thomas
Look Edward K.
Nippon Air Brake Company Ltd.
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