Coolant pumps with coupling means

Details Coolant pumps with coupling means Coolant pumps with coupling means

2006-04-25

2006-04-25

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

With liquid coolant circulating means

Reexamination Certificate

active

07032546

ABSTRACT:
In a coolant pump arrangement in a cooling circuit of an internal combustion engine, including a first coolant pump having a drive mounted on a pump shaft at one side of the first coolant pump, a second coolant pump is connected to the pump shaft at the other side of the first coolant pump via a transmission arrangement including a clutch and a speed change drive for controlling operation of the second coolant pump relative to the first coolant pump.

REFERENCES:
patent: 2002/0083905 (2002-07-01), Kim
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patent: 30 07 640 (1981-09-01), None
patent: 82 00182 (1983-07-01), None
patent: 2 752 016 (1996-02-01), None
patent: 62 153596 (1987-07-01), None
patent: 01 262315 (1989-10-01), None

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