Fluid support systems

Details Fluid support systems Fluid support systems

1986-09-02

1988-02-02

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5469, A47C 2710, A61G 700

Patent

active

047221054

ABSTRACT:
An air support system suitable as a hospital bed comprises a plurality of contiguous, inflatable cells 2. A blower 25 supplies inflation air to the cells. The blower 25 is driven by an electric motor 26 and solenoid valves 29, 50 operate automatically, in the event of electrical power failure, to seal-off inflation air present in the cells. Three-position spool valves 72-74 each operate to direct the flow of cell inflation air through a selected one of three alternative paths.

REFERENCES:
patent: 3822425 (1974-07-01), Scales
patent: 4279044 (1981-07-01), Douglas
patent: 4525885 (1985-07-01), Hunt et al.
patent: 4638519 (1987-01-01), Hess

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