Quick disassembly system for rotary vacuum pumps

Details Quick disassembly system for rotary vacuum pumps Quick disassembly system for rotary vacuum pumps

1990-08-06

1992-03-31

Bertsch, Richard A.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

41742315, F04B 1700

Patent

active

051003023

ABSTRACT:
The vacuum pump is subdivided into: a first part (13), consisting of an "actuating module" comprising the electric motor (15) and a support structure (16) containing both the half-couple (37) of the transmission coupling (35, 37), and the channels (53, etc.) and connections for the intake and delivery of the gases, connected to the various external pipes (47, etc.) and emerging at a coupling surface (C--C); and a second functional part (11), constituting a "pump module" and comprising the rotor or rotors (24, 25) with the associated rotating axle (33) complete with half-couple (35), the stators (21) and the delivery valves contained in a housing (27) which contains the special liquid for leaktightness and lubrication, which can be coupled to and uncoupled from the "actuating module" at said coupling surface (C--C), where corresponding connections emerge.

REFERENCES:
patent: 3545892 (1970-12-01), Zimmermann
patent: 4211519 (1980-07-01), Mogan
patent: 4283167 (1981-08-01), Bassan
patent: 4695232 (1987-09-01), Klauck
patent: 4797071 (1989-11-01), Veyrat
patent: 4900438 (1990-02-01), McEwen

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