Internal combustion engine having a sound-damping casing

Details Internal combustion engine having a sound-damping casing Internal combustion engine having a sound-damping casing

1989-09-13

1991-02-19

Kamen, Noah P.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 417, 181204, F02B 7700

Patent

active

049933817

ABSTRACT:
An internal combustion engine has a casing which includes interconnected elements and is connected to an engine housing with interposed vibration-damping means. The engine also has a cooling air blower driven by an engine crankshaft which draws in cooling air through an inlet opening in said casing and conveys such cooling air through an interior space between the engine housing and the casing. Exhaust air from such interior space exits through an outlet opening in said casing, the inlet and outlet openings being disposed in a single element of the casing which element is a closed unit at a side of the engine remote from the blower and is equipped with at least one sound-damping layer. The sound-damping layer has casing element passages formed therein which are separate from one another and which communicate said interior space respectively with the inlet and outlet openings.

REFERENCES:
patent: 3276539 (1966-10-01), Deer et al.
patent: 3530840 (1970-09-01), Freyn
patent: 3601101 (1971-08-01), Thien
patent: 4516657 (1985-05-01), Allard
patent: 4548164 (1985-10-01), Ylonen
Hatz Diesel "Typenblatt" Specification; 1/1980; Hatz Diesel, Ruhstorf, West Germany.
Hatz Diesel English Specification 6/1987 and 12/1987; Hatz Diesel, Ruhstorf, West Germany.

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