Animal husbandry – Bed or rest
Patent
1981-08-06
1983-05-03
Chamblee, Hugh R.
Animal husbandry
Bed or rest
119 22, 60394, 60424, 60911, A01K 100, A01K 3100, F15B 1116
Patent
active
043817319
ABSTRACT:
The hydraulic power system includes a single electrical motor for driving a fluid pump which supplies fluid under pressure to a plurality of series connected fluid motors, with the first motor in the series directly to the pump outlet and the last motor in the series to a fluid reservoir that constitutes the fluid source for the pump. The electrical motor is operable in response to a call for the actuation of any one of said fluid motors, and requires a maximum power output relative to the pump fluid capacity so that the fluid pressure and flow characteristics delivered by the pump satisfy the full load operating requirements of the last fluid motor in the series of motors when all of the other fluid motors are under full load operation.
REFERENCES:
patent: 3641764 (1972-02-01), Destefan et al.
patent: 3768442 (1973-10-01), Van Huis
patent: 3768444 (1973-10-01), Van Huis
patent: 3981149 (1976-09-01), Rice
patent: 4103489 (1978-08-01), Fletcher et al.
Chamblee Hugh R.
Jefferson Industries Company
Lowell Rudolph L.
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