Double acting diaphragm air pump

Details Double acting diaphragm air pump Double acting diaphragm air pump

1989-03-02

1990-06-05

Stout, Donald E.

Pumps

Expansible chamber type

Plural pumping chambers

417413, F04B 4302

Patent

active

049310003

ABSTRACT:
An electrically driven double-acting diaphragm air pump having a diaphragm-driven system including an eccentric for the motor shaft, a freely movable yoke having a solid framework solely supported by the diaphragm system with one end connected to a first diaphragm assembly, and at an opposite end to a second diaphragm assembly, and with the yoke having a large central opening. The eccentric is coupled directly to the solid framework through a yoke driver. The yoke driver is rotatably connected to the solid framework at one end of the framework adjacent to the first diaphragm assembly, and is coupled to the eccentric through ball bearings, with the opposite end of the yoke driver suspended for free movement within the large central opening of the solid yoke framework.

REFERENCES:
patent: 3801232 (1974-04-01), Kilayko
patent: 4432248 (1984-02-01), Lalin

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