Pumps – Expansible chamber type – Plural pumping chambers
Patent
1991-09-27
1993-02-02
Bertsch, Richard A.
Pumps
Expansible chamber type
Plural pumping chambers
417415, 417454, 417537, F04B 2102
Patent
active
051833964
ABSTRACT:
A double acting simplex plunger pump comprising a pair of unique unitary combined stuffing box and head members pre-assembled with a double ended plunger, the subassembly being sandwiched between the axial end face of a drive motor and a flat surface of a unitary manifold means and further characterized by means including check valve means for aligning and holding the members.
REFERENCES:
patent: 4436493 (1984-03-01), Credle, Jr.
patent: 4978284 (1990-12-01), Cook et al.
Cook James E.
Eriksen O. Harald S.
Bertsch Richard A.
Freay Charles G.
Jensen Roger W.
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