Deflecting insert for a rotary vane pump

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve

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Details

F04B 4902, F04C 1502

Patent

active

045753148

ABSTRACT:
In a rotary vane pump having a normally vertical suction feed flow passage (17a, 17b) which opens tangentially into a horizontal, elbow-bent feed passage (18a, 18b) and a discharge passage (19a, 19b), the direction-changing portion is formed by a plug-like insert (51) which is pressed into a stepped bore (61). The insert (51) comprises erosion-resistant material.

REFERENCES:
patent: 2880674 (1959-04-01), Klessig et al.
patent: 4168033 (1979-09-01), von Bernuth et al.
patent: 4470768 (1984-09-01), Konz

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