Electricity: circuit makers and breakers – Float – Float and pressure
Patent
1977-08-08
1978-08-15
Tolin, Gerald P.
Electricity: circuit makers and breakers
Float
Float and pressure
200 83L, H01H 3518
Patent
active
041074947
ABSTRACT:
A brake fluid reservoir includes a main body portion having a cap securing a diaphragm between the body and the cap. A sensor is mounted to protrude into the reservoir for indicating a predetermined minimum level of brake fluid in the reservoir. The diaphragm is provided for corresponding movement in response to decreases in the level of brake fluid in the reservoir and also for separating a brake fluid containing portion of the reservoir from an air containing portion. The diaphragm includes an interstice for permitting air in the air containing portion to be drawn into the fluid containing portion under preselected conditions. A protective device surrounds the sensor for maintaining the movement of the diaphragm from interfering engagement with the sensor. The brake fluid reservoir may be used in a vehicle brake system including a master cylinder connected for fluid communication with the reservoir and with the front and rear brakes of the vehicle.
REFERENCES:
patent: 3260815 (1966-07-01), Trimmer
patent: 3931485 (1976-01-01), Spielfiedel
patent: 3985985 (1976-10-01), Harwick
patent: 4057700 (1977-11-01), Nakashima
Tolin Gerald P.
Wagner Electric Corporation
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