Diaphragm-type vacuum pump device

Details Diaphragm-type vacuum pump device Diaphragm-type vacuum pump device

1987-06-02

1988-05-10

Croyle, Carlton R.

Pumps

With condition responsive pumped fluid control

Pump inlet or pump chamber vented to ambient

417413, 417557, 417571, F04B 4900, F04B 3900, F04B 4500

Patent

active

047431695

ABSTRACT:
A diaphragm-type vacuum pump device which includes a diaphragm, a pumping chamber the volume of which is changed by reciprocating motion of the diaphragm, a check valve for drawing air into the pumping chamber, a check valve for discharging air from the pumping chamber and an orifice or relief valve disposed in the pumping chamber so that the pumping chamber communicates with atmosphere.

REFERENCES:
patent: 2463766 (1949-03-01), Hadley
patent: 3462073 (1969-08-01), Russell
patent: 3635598 (1972-01-01), Sieper
patent: 4070133 (1978-01-01), McCormick
patent: 4295414 (1981-10-01), Mochizuki et al.

Affiliated with

Also associated with

Rating

Diaphragm-type vacuum pump device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Diaphragm-type vacuum pump device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diaphragm-type vacuum pump device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1317576