Pumps – Motor driven – Electric or magnetic motor
Patent
1995-10-30
1997-06-17
Gluck, Richard E.
Pumps
Motor driven
Electric or magnetic motor
4152141, F04D 2902, F04D 2966, F04D 2508
Patent
active
056392281
ABSTRACT:
An electrically driven air pump having a pump mechanism in a first section of a housing and an electric motor in a second section of the housing in driving engagement with the pump mechanism. First and second end covers are sealingly secured on the housing. The electric motor is supported by elastomer rings in the housing. The pump mechanism has a rotor wheel driven by the motor and a stator wheel adjacent to the rotor wheel. A first lock joint is formed between the first cover and both the stator wheel and the housing and a second lock joint is formed between the second cover and the housing. The covers, stator wheel and housing are made of plastic material and the lock joints are formed by air-tight, friction-fit between the engaged parts which are deformed elastically or plastically.
REFERENCES:
patent: 4152096 (1979-05-01), Murakami et al.
patent: 5110266 (1992-05-01), Toyoshima et al.
patent: 5364238 (1994-11-01), Yu
patent: 5388970 (1995-02-01), Muckelmann et al.
patent: 5452987 (1995-09-01), Bleger et al.
Database WPI, Section CH, Week 7502 Derwent Publications Ltd. London GB, AN 75-02201w.
Muckelmann Klaus
Peters Rainer
Van De Venne Gunter
Gluck Richard E.
Pierburg GmbH
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