Vacuum pump

Details Vacuum pump Vacuum pump

F - Mech Eng,Light,Heat,Weapons

04

C

230/93

F04C 18/00 (2006.01) F01C 21/10 (2006.01)

Patent

CA 1042400

VACUUM PUMP Abstract A rotary mechanical vacuum pump has a pump chamber formed of aluminum which has been treated by hard anodizing the working surfaces of the pump chamber and the lapped mating surfaces between the parts surrounding the chamber, with a high vacuum grease applied to such mating surfaces and providing an effective seal against leakage between the pump chamber and the ambient atmosphere.

250317

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