Airflow control system pump and housing

Details Airflow control system pump and housing Airflow control system pump and housing

1988-11-30

1991-01-22

Smith, Leonard E.

Pumps

With condition responsive pumped fluid control

Plural paths having individual condition responsive control...

5453, 5455, 1371163, 13750511, 137498, F04B 4908

Patent

active

049867385

ABSTRACT:
A housing containing an air pump and an air pressure supply system for supplying air to a body support, such as an air mattress. The housing contains, in addition to the air pump, diaphragm type pressure regulators and diaphragm type surge check valves, as well as passageways and pressure chambers for interconnecting the pump to the pressure regulators and surge check valves.

REFERENCES:
patent: 3747627 (1973-07-01), Christie
patent: 3913613 (1975-10-01), Kostjurin et al.
patent: 4171004 (1979-10-01), Cerrato et al.
patent: 4694520 (1987-09-01), Paul et al.
patent: 4711275 (1987-12-01), Ford et al.
patent: 4715787 (1987-12-01), Hung
patent: 4715790 (1987-12-01), Jijima
patent: 4722105 (1988-02-01), Douglas
patent: 4757564 (1988-07-01), Goodale
patent: 4797962 (1989-01-01), Goode
patent: 4810169 (1989-03-01), Kranzle

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