Pumps – Motor driven – Electric or magnetic motor
Patent
1981-10-19
1989-05-30
Freeh, William L.
Pumps
Motor driven
Electric or magnetic motor
310 68A, F04B 3504, H02K 1100
Patent
active
048346292
ABSTRACT:
The present invention provides a modular fan construction in which the fan motor, with its operating controls, can be tested away from the fan housing and then fit into the housing without disassembly after the testing.
REFERENCES:
patent: 1975066 (1934-09-01), Sanderson
patent: 2710717 (1955-06-01), Palmer
patent: 2768782 (1956-10-01), Tateishi
patent: 2836350 (1958-05-01), Tateishi
patent: 3826935 (1974-07-01), Grierson et al.
patent: 3829250 (1974-08-01), Samson, Jr.
patent: 4229634 (1980-10-01), Hickman et al.
patent: 4370579 (1983-01-01), Kobayashi et al.
Freeh William L.
Neils Paul F.
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