Engine having a non-intrusive self closing valve for magnetic ch

Details Engine having a non-intrusive self closing valve for magnetic ch Engine having a non-intrusive self closing valve for magnetic ch

1995-03-06

1998-07-21

Marmor, Charles A.

Machine element or mechanism

Elements

Gear casings

210222, F16H 5702, B03C 130

Patent

active

057821410

ABSTRACT:
A self closing valve for use with an engine that prevents the loss of fluid from a transmission connected to the engine when a magnetic chip detector is removed from the transmission housing. The self closing valve and magnetic chip detector being integrated together to form a magnetic chip detection system that provides an indicating signal to the operator of an aircraft when magnetically attractable debris is detected in the transmission. The self closing valve includes a pair of valve doors that rotate about a pivot point so as to be moveable from a central region of a passageway within the transmission housing. Further, the valve does not extend substantially into the interior of the mechanical housing but is closeable to prevent loss of fluid from the interior of the mechanical housing when the magnetic chip detector is withdrawn from the passageway.

REFERENCES:
patent: 568669 (1896-09-01), Ellsworth
patent: 584091 (1897-06-01), Leidich
patent: 2704156 (1955-03-01), Botstiber
patent: 3283905 (1966-11-01), Cass
patent: 3370144 (1968-02-01), Arthur et al.
patent: 3373352 (1968-03-01), Huigens
patent: 3442248 (1969-05-01), Parkinson et al.
patent: 3753442 (1973-08-01), Tauber
patent: 3869391 (1975-03-01), Kramer
patent: 4823625 (1989-04-01), Hamilton
patent: 4839041 (1989-06-01), Kuwayama et al.
patent: 5152372 (1992-10-01), Volman

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