Air pre-cleaner

Details Air pre-cleaner Air pre-cleaner

2006-08-22

2006-08-22

Greene, Jason M. (Department: 1724)

Gas separation

Means within gas stream for conducting concentrate to collector

C055S315000, C055S319000, C055S342000, C055S385300, C055S410000, C055S428000, C055S434000, C123S19800E

Reexamination Certificate

active

07094269

ABSTRACT:
The air pre-cleaner includes a housing, a drain valve, and an air exhaust pipe. The housing is provided with an air inlet. The drain valve is disposed in the housing and is configured to drain impurities separated from intake air entering the housing through the air inlet. The intake air is exhausted from the housing through the air exhaust pipe. An upper portion of the air exhaust pipe protrudes inside the housing, and the air exhaust pipe has a lateral section with a first end portion that is disposed near the air inlet that is sharper than an opposite portion thereof.

REFERENCES:
patent: 3721069 (1973-03-01), Walker
patent: 4080184 (1978-03-01), Petersen
patent: 4233043 (1980-11-01), Catterson
patent: 4248613 (1981-02-01), Linhart
patent: 6312488 (2001-11-01), Fischer
patent: 6491734 (2002-12-01), Park
patent: 6644249 (2003-11-01), Itakura et al.
patent: 6692552 (2004-02-01), Benham
patent: 5-34769 (1993-09-01), None

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