Positive displacement pumps

Details Positive displacement pumps Positive displacement pumps

1982-07-01

1985-04-16

Vrablik, John J.

Rotary expansible chamber devices

Working chamber surface expressed mathematically

418206, F01C 118, F04C 200

Patent

active

045113165

ABSTRACT:
A positive displacement pump comprising two lobed impellors to contra-rotate within a casing which has two ports to act respectively as an inlet and an outlet, the casing having two impellor chambers, each chamber being peripherally defined by two arcs, at least one of the arcs of each chamber being centered at a point offset from the normal rotational axis of the associated impellor in a direction towards one port.

REFERENCES:
patent: 981862 (1911-01-01), Keats
patent: 3327637 (1967-06-01), Hotta

Affiliated with

Also associated with

Rating

Positive displacement pumps does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Positive displacement pumps, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Positive displacement pumps will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1453431