Viscosity compensating circuits

Details Viscosity compensating circuits Viscosity compensating circuits

1981-03-06

1984-01-17

Look, Edward K.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

60329, 60444, 60452, 73202, F04B 4900

Patent

active

044261942

ABSTRACT:
The present invention is directed to a simplified viscosity compensating circuit which utilizes a viscosity sensitive capillary and a flow restriction means in series therewith to regulate the pressure at a particular point in a control circuit in response to a change in viscosity of the control fluid. Such viscosity compensation in the circuit is utilized to either maintain a uniform pressure at the circuit output or off-set an adverse condition caused by a change in viscosity of the control fluid.

REFERENCES:
patent: 2005731 (1935-06-01), Ernst et al.
patent: 2238061 (1941-04-01), Kendrick
patent: 2297408 (1942-09-01), Hardebeck
patent: 3556160 (1971-01-01), Link et al.
patent: 3687160 (1972-08-01), Erickson et al.
patent: 3820920 (1974-06-01), Klimaszewski et al.
patent: 3922853 (1975-12-01), Kalb
patent: 4032259 (1977-06-01), Brown
patent: 4167853 (1979-09-01), Hamma et al.
patent: 4325677 (1982-04-01), Nonnenmacher
Product Engineering, Aug. 1977, pp. 21 and 22.

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