Machine element or mechanism – Elements – Gear casings
Patent
1993-09-17
1995-09-05
Herrmann, Allan D.
Machine element or mechanism
Elements
Gear casings
74421A, 310 83, 415118, F16H 5702
Patent
active
054470781
ABSTRACT:
A submersible gearmotor including a liquid resistant housing with radially inwardly extending partitions which form at least two shaft receiving chambers. The separate chambers act as protective regions between the internal components of the gearmotor and an outside liquid medium when submersed. The gearmotor also includes a tandem seal arrangement including an inboard seal located inside the housing and an outboard seal located outside the housing. The seals prevent the outside liquid medium from entering the gearmotor where the housing intersects with the rotating output shaft. The gearmotor further includes a leak detection system consisting of moisture sensing probes mounted inside one or both of the receiving chambers.
REFERENCES:
patent: 3734637 (1973-05-01), Beck
patent: 4840535 (1989-06-01), Skarstad
patent: 4884945 (1989-12-01), Boutin et al.
patent: 5173019 (1992-12-01), Sdano
"Framco Submersible Aerators" Brochure, Framco Aeration & Mixing Co., Sarasota, Fla., No. FRAMSUB1290.
Framco Model 2460TA Submersible Aerator Specification, Framco Aeration & Mixing Co., Sarasota Fla.
Reliance Duty Master A-C Motors Brochure, Reliance Electric Company, Cleveland, Ohio, Bulletin B-2550-7, No. 10825M.
Flygt Submersible Mixers Specifications & Applications, Flygt Corporation, Norwalk, Conn., Bulletin No. 88 MIX, Copyright 1988.
Hassett Timothy J.
Hodowanec Mark M.
Robinson, Jr. James T.
Wheeler Gary L.
Herrmann Allan D.
Kwon Peter
Reliance Electric Industrial Company
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