Pumps – Motor driven – Fluid motor
Patent
1994-11-09
1996-10-22
Thorpe, Timothy S.
Pumps
Motor driven
Fluid motor
417395, 921692, F04B 5316
Patent
active
055671306
ABSTRACT:
A diaphragm pump housing is designed for molding out of plastic and utilizes a ribbing design which allows a high degree of strength while using a minimal amount of material and/or material having lesser strength. The rib design has an outer circumferencial rib about the periphery of the pump housing and a plurality of radial extending ribs extend outwardly from the center of the housing to the outer circumferencial rib. Fastener apertures are used to tie together the parts of the pump and the fastener apertures are located between the radial extending ribs in the outer circumferencial rib. An intermediate circumferencial rib is provided adjacent the outer circumferencial rib. The height of the ribs increases from the center of the housing outwardly to the outer circumference. The radial and the circumferencial ribs are the same height at locations where they intersect. This high strength design also allows use of one piece inlet and outlet manifolds without undue flexing or leakage.
REFERENCES:
patent: 2625886 (1953-01-01), Browne
patent: 3782863 (1974-01-01), Rupp
patent: 4682937 (1987-07-01), Credle, Jr.
patent: 4817503 (1989-04-01), Yamada
patent: 5174731 (1992-12-01), Korver
Johnson Harold D.
Kvinge Daniel J.
Farrow Douglas B.
Graco Inc.
McAndrews, Jr. Roland G.
Thorpe Timothy S.
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