Liquid-cooled power aggregate or engine having an arrangement fo

Details Liquid-cooled power aggregate or engine having an arrangement fo Liquid-cooled power aggregate or engine having an arrangement fo

1983-04-05

1985-01-22

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 413, F01P 302

Patent

active

044944926

ABSTRACT:
An internal combustion engine has a sleeve in which the piston reciprocates during operation, as a result of which the sleeve is heated and tends to vibrate. The engine casing includes walls which define a space around the sleeve through which a liquid coolant is conveyed to cool the sleeve. A compressible member or medium is provided in such space or in the coolant therein and suppresses vibrations within the coolant, thereby minimizing the extent to which vibrations from the sleeve are transmitted through the coolant to the engine casing and produce noise in the region around the engine. In one preferred embodiment, the compressible medium is a plurality of gas bubbles distributed throughout the coolant. In another preferred embodiment, a compressible member is provided in the space adjacent the sleeve.

REFERENCES:
patent: 1495088 (1924-05-01), Larson
patent: 1721846 (1929-07-01), Atzberger
patent: 2115193 (1938-04-01), Burris
patent: 2394199 (1946-02-01), Myers
patent: 4202310 (1980-05-01), Zorrilla et al.

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