Drainage canal

Details Drainage canal Drainage canal

1986-04-16

1988-02-23

Michalsky, Gerald A.

Fluid handling

With liquid valves or liquid trap seals

Liquid seal in liquid flow line; flow liquid forms seal

13724745, F04F 1000

Patent

active

047263920

ABSTRACT:
A drainage canal assembly includes a canal housing for receiving electrical components, a drainage canal in the form of a syphon formed in the canal housing, and a check valve disposed in the drainage canal permitting liquid to leave the canal housing but preventing liquid and dust from entering.

REFERENCES:
patent: Re8281 (1878-06-01), Turner
patent: 179881 (1876-07-01), Underwood
patent: 259256 (1882-06-01), Withey
patent: 1884855 (1932-10-01), Pryce
patent: 4502500 (1985-03-01), Upton

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