Water pump apparatus in an internal combustion engine

Details Water pump apparatus in an internal combustion engine Water pump apparatus in an internal combustion engine

1989-01-06

1990-04-17

Kamen, Noah P.

Internal-combustion engines

Cooling

With liquid coolant circulating means

123198C, F01P 510

Patent

active

049170520

ABSTRACT:
A water pump apparatus in an integral combustion engine of a water cooling type having a driving pulley fixed to one end of a crankshaft, and a driven pulley fixed to one end of a valve camshaft for driving the movable valve camshaft from the crankshaft via a timing belt has a water pump eccentrically providing a pump shaft axis relative to the valve camshaft axis, a pair of drive and driven gears provided with a suitable rotational ratio and respectively mounted on an end of the valve camshaft and one end of the pump shaft and engaged with each other, and a sliding bearing supporting the pump shaft and being inserted in a cylinder head.

REFERENCES:
patent: 1020552 (1912-03-01), Henry, Jr.
patent: 2386283 (1945-10-01), Wiken et al.
patent: 3001517 (1961-09-01), Baker et al.
patent: 4756280 (1988-07-01), Tamba et al.

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