Diaphragm pump

Details Diaphragm pump Diaphragm pump

1975-05-06

1977-09-27

Freeh, William L.

Pumps

Expansible chamber type

Biasing means effects eduction stroke of abutment driven,...

92 99, F04B 4302, F01B 1900

Patent

active

040508617

ABSTRACT:
A diaphragm fluid pump comprises a diaphragm piston assembly having a flexible diaphragm interposed and hermetically clamped at the outer rim thereof between upper and lower housings. The flexible diaphragm is integrally provided with a flexible sealing member of which the outer rim is interposed and fluid-tightly clamped together with the outer rim of the diaphragm between the lower and upper housings and the inner rim is fluid-tightly secured to a portion of the piston assembly to seal a portion of the flexible diaphragm exposed within a lubrication oil chamber.

REFERENCES:
patent: 2083673 (1937-06-01), Loeber
patent: 2645414 (1953-07-01), Mairhofer
patent: 2980068 (1961-04-01), Stelzer
patent: 3119280 (1964-01-01), Mann
patent: 3385173 (1968-05-01), Euga

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1812272