Engine-driven blower unit

Details Engine-driven blower unit Engine-driven blower unit

1992-08-10

1993-08-10

Kamen, Noah P.

Internal-combustion engines

Cooling

Air-cooled

123 4165, 15344, 417234, F01P 704

Patent

active

052339467

ABSTRACT:
An engine-driven blower unit has a casing, an impeller provided inside the casing, and an engine. The casing has a first opening on its wall close to the cooling fan of the engine so that a portion of the air inside the casing is let out through the first opening toward the engine. A second opening is formed so that a portion of the air around the engine is lead to the inside of the casing, to the downstream of the first opening. Thereby, engine-cooling effect is improved, and operational noise is reduced.

REFERENCES:
patent: Re33050 (1989-09-01), Tuggle et al.
patent: 4318203 (1982-03-01), Satoh et al.
patent: 4517939 (1985-05-01), Kiyooka et al.
patent: 4644606 (1987-02-01), Luerken et al.
patent: 4723893 (1988-02-01), Kiyooka et al.
patent: 4792286 (1988-12-01), Gassen
patent: 5035586 (1991-07-01), Sadler et al.

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