Multiple connection for rotation vacuum pumps

Details Multiple connection for rotation vacuum pumps Multiple connection for rotation vacuum pumps

1991-04-08

1992-04-28

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417426, 417429, 4174231, 74665GA, F04B 3504, F04B 4106, F16H 3706

Patent

active

051082713

ABSTRACT:
The invention refers to a multiple connection of rotation vacuum pumps having a common housing and drive motor. The vacuum pumps arranged in two rows. Each one of the vacuum pumps has a pump gear, and these gears, together with a drive gear, are arranged such that they form a single row with their teeth drivingly intermeshed. Preferably only inner parts of the pump are located in the housing.

REFERENCES:
patent: 2488069 (1949-11-01), Spalding
patent: 3009442 (1961-11-01), Jovinall
patent: 3124270 (1964-03-01), Cornell
patent: 4299316 (1981-11-01), Reinmoeller
patent: 4323828 (1982-04-01), Terada et al.

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