Fluid injector devices

Details Fluid injector devices Fluid injector devices

1981-04-15

1984-04-17

Rolla, Joseph J.

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222185, 417472, 92 35, B65D 3700

Patent

active

044429576

ABSTRACT:
An antifreeze injector device for compressed air braking systems has a closed compressible bellows or compensatable rubber cylinder, the inside of which communicates with liquid to be injected and the exterior of which is subject to actuation pressure. The effective area subject to the actuator pressure being greater than that subject to the liquid to enable operator to inject into a reservoir of elevated pressure but to avoid the use of sliding pistons.

REFERENCES:
patent: 2663363 (1953-12-01), Krautter et al.

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