Vacuum pump with overload protection valve

Details Vacuum pump with overload protection valve Vacuum pump with overload protection valve

1979-10-09

1984-09-11

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

13753327, 13753331, F04B 4908

Patent

active

044707673

ABSTRACT:
In a vacuum pump having a housing presenting a suction side and a pressure side, a connecting line connected between the suction side and the pressure side and a weighted valve mounted in the connecting line and having a part which is movable to open the valve in order to place the suction and pressure sides in communication when a maximum permissible pressure difference between the suction and vacuum sides is exceeded, the valve is mounted so that the axis of movement of the valve part forms an angle of 45.degree. with the direction of the pumping action between the suction and pressure sides, whereby the weighted valve will function properly with the pump oriented to produce its pumping action in either the vertical or the horizontal direction.

REFERENCES:
patent: 862714 (1907-08-01), Constantinov
patent: 1844613 (1932-02-01), Thompson
patent: 2642260 (1953-06-01), Moore
patent: 2849863 (1958-09-01), Dubrovin
patent: 3148623 (1964-09-01), Sayers
patent: 3632240 (1972-01-01), Dworak
Balzers Catalog, Komponenten f/u/ r die Vakuumtechnik, 1977.

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