Ventilating apparatus for a protective suit

Details Ventilating apparatus for a protective suit Ventilating apparatus for a protective suit

1989-03-09

1990-02-27

Eickholt, Eugene H.

Surgery

Respiratory method or device

Means for cooling respiratory gas or respiration device

12820125, 13762523, 137863, 251298, 251340, A61M 1600

Patent

active

049036947

ABSTRACT:
The ventilating apparatus for a protective suit has a portable, comparatively small housing in which a blower driven by a battery-powered electric motor is mounted. The high pressure side of the blower is provided with a plurality of different connectors which provide different flow rates. The flow rate through the connectors can be made changable by a rotary slide valve which comprises a flexible plate and a handle for exterior operation. A connector on the high pressure side can be provided to supply air to a breathing mask as well as to ventilate the suit. Because a significantly reduced air flow rate is necessary for the breathing mask an orifice plate or diaphram is provided for the connector for the breathing mask. The vacuum or low pressure side of the blower may be provided with a filter connector.

REFERENCES:
patent: 2819590 (1958-01-01), Green
patent: 2824557 (1958-02-01), Mejean et al.
patent: 3049896 (1962-08-01), Webb
patent: 3496703 (1970-02-01), MacLeod et al.
patent: 4478216 (1984-10-01), Dukowski
patent: 4522639 (1985-06-01), Ansite et al.
patent: 4705073 (1987-11-01), Beck

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