Single line pneumatic tube system

Details Single line pneumatic tube system Single line pneumatic tube system

1978-02-08

1980-02-19

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Combined intake and discharge

137874, B65G 5126

Patent

active

041892615

ABSTRACT:
A single line (pressure-vacuum) pneumatic tube system capable of incorporating one or more novel intermediate stations. A unique pressure-vacuum chamber and a novel air shifter valve in the central station provides either pressure or vacuum for the system without turbulence or significant pressure drop. An air relief valve in the tubing significantly reduces noise at the end station. The end station is provided with a valve for return air. The system is unitized eliminating custom design of simple systems.

REFERENCES:
patent: 2698721 (1955-01-01), Van Otteren
patent: 3232559 (1966-02-01), Grosswiller et al.
patent: 3998405 (1976-12-01), Carlier

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