Internal-combustion engines – Cooling – With liquid coolant circulating means
Patent
1990-09-19
1991-12-31
Kamen, Noah P.
Internal-combustion engines
Cooling
With liquid coolant circulating means
192 84C, F01P 510
Patent
active
050762168
ABSTRACT:
A coolant pump for a vehicle engine, which comprises an electromagnetic member connected to a belt pulley which is selectively connected to a water pump impeller, such that the pump impeller is rotated at a certain predetermined engine temperature of about 85.degree. C. by activation of the electromagnetic member, and is not rotated below the predetermined engine temperature due to nonactivation of the electromagnetic member.
REFERENCES:
patent: 2919777 (1960-01-01), Walter
patent: 3455421 (1969-07-01), Miller
patent: 4305198 (1981-12-01), Kanamaru et al.
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