Oil-sealed vane pump

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Outer cylinder member immersed or submerged in non-working...

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Details

418 97, F04C 2702, F04C 2902

Patent

active

045753229

ABSTRACT:
Oil-sealed vane pump has a stator and a rotor assembly housed in an oil-filled tank, said stator comprising an oil injection orifice, a suction port connected to a tank inlet pipe and a discharge port opening into said tank, said discharge port being provided with a check valve, said check valve being mounted in a spot facing in the stator and said tank further comprising a discharge outlet. The stator is provided with at least one slot opening into the spot facing.

REFERENCES:
patent: 3217977 (1965-11-01), Burger
patent: 3421688 (1969-01-01), Spooner

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