Modular pump assembly

Details Modular pump assembly Modular pump assembly

1996-06-24

1998-07-07

Thorpe, Timothy

Pumps

Motor driven

Fluid motor

417454, F04B 902

Patent

active

057758840

ABSTRACT:
The present invention discloses a modular diaphragm cartridge for use with a pump assembly. A cartridge body defines an interior chamber into which a piston is slidably connected. A spring biases the piston against a diaphragm placed over the end of the cartridge body to enclose the interior chamber. An end cap which threadedly engages the cartridge body to enclose the diaphragm between the end cap and body. The modular diaphragm cartridge may be removed from a pump housing as a single unit without the need for keeping track of multiple pieces. The present invention further discloses a modular inlet valve assembly, outlet valve assembly and plunger seal/guide cartridge.

REFERENCES:
patent: 2871789 (1959-02-01), Kiffer et al.
patent: 2919650 (1960-01-01), Wiggeman
patent: 4594057 (1986-06-01), Morgan
patent: 5032063 (1991-07-01), Zeck et al.
patent: 5332372 (1994-07-01), Reynolds

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