Pumps – Condition responsive control of pump drive motor
Patent
1984-07-03
1986-06-17
Freeh, William L.
Pumps
Condition responsive control of pump drive motor
417 12, 417 40, 417 44, 417 63, 417474, 340620, 73308, 137551, F04B 4900, F04B 2100
Patent
active
045953414
ABSTRACT:
An automobile hydraulic braking circuit comprises two reservoirs in addition to the main hydraulic fluid reservoir. One additional reservoir can replenish the other which in turn can replenish the main hydraulic reservoir. A peristaltic pump controls fluid flow to the main reservoir from the adjacent additional reservoir. Probes in the additional reservoirs operate in conjunction with control circuitry to inhibit operation of the pump to prevent contaminated fluid from being supplied to the main reservoir.
REFERENCES:
patent: 2246594 (1941-06-01), Kinsella
patent: 2260312 (1941-10-01), Grumar
patent: 2463703 (1949-03-01), Legler
patent: 2716165 (1955-08-01), Pfitzner
patent: 2910940 (1959-11-01), Colman et al.
patent: 3084708 (1963-04-01), Herrero
patent: 4129501 (1978-12-01), Haynes
patent: 4171932 (1979-10-01), Miller
patent: 4492531 (1985-01-01), Kenji et al.
Freeh William L.
Neils Paul F.
Rolls-Royce Motors Limited
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