Transmission coupling

Details Transmission coupling Transmission coupling

1986-08-01

1988-01-12

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Automatic coolant flow control

416169A, F01P 504

Patent

active

047183780

ABSTRACT:
A cooling system for an I.C. engine includes a gerotor pump coupling a drive shaft 10 to the fan blades 20. The pump is arranged to self-prime when a by-pass passage 26 connecting the pump with the reservoir is closed by initial movement of the thermostat 34 displacing a tube 36 to close port 38. When primed, the gerotor set will drive the fan at an intermediate speed. Further movement of the thermostat displaces a spool valve 26 to take waist 24 out of register with transfer path 22 so that the pump locks up and the fan is driven at a higher speed.

REFERENCES:
patent: 4032267 (1977-06-01), Miller
patent: 4351426 (1982-09-01), Bopp
patent: 4493293 (1985-01-01), Paul et al.

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