Vacuum pump

Details Vacuum pump Vacuum pump

F - Mech Eng,Light,Heat,Weapons

04

F

230/141

F04F 5/52 (2006.01)

Patent

CA 1071598

ABSTRACT A vacuum pump having a mechanically operated plunger or piston which is so arranged as to either fully open or fully close a supply of compressed gas. The compressed gas flows through a venturi tube to create a vacuum. This vacuum in turn causes the atmospheric pressure to urge the plunger against a spring force to close the connection between the compressed gas and the venturi tube. This will maintain the vacuum pressure between two predetermined limits. As soon as the pressure in the vacuum chamber rises above a predetermined value the compressed gas supply is opened again to reduce the gas pressure in the vacuum chamber. There are also disclosed a new desoldering tool, a power cylinder, clamping fixtures and suction cups operable with the vacuum pump of the invention.

264070

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