Balloon inflator with involute chamber and bypass nozzle

Details Balloon inflator with involute chamber and bypass nozzle Balloon inflator with involute chamber and bypass nozzle

1992-02-03

1993-04-06

Bertsch, Richard A.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

41742314, 417440, 141346, F04B 3504, F03B 104

Patent

active

051998475

ABSTRACT:
A balloon inflator utilizes a bypass motor such that the inflation or working air is separate from the motor cooling air. The intake for the motor cooling and inflation air is separated from exhaust vents to limit any recirculation of the air, assuring that the inflation air be maintained as cool as possible. An impaler is maintained in an involute to achieve the requisiting inflation pressure. A free floating inflation nozzle is maintained within a collar and is adapted for engagement with an output of the involute when inflation activity is desired; otherwise the nozzle is disengaged from the involute allowing the air from the involute to otherwise be exhausted. The motor driving the impaler is selectively interconnected with a half wave rectifier for speed selectability.

REFERENCES:
patent: 3563676 (1971-02-01), Coovert
patent: 4767286 (1988-08-01), Kohl
patent: 4921402 (1990-05-01), Nelson

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