Moisture ejector
AssigneeCaterpillar Tractor Co.
InventorRobert A. Stinson
Life of this patent
Estimating the term…
Abstract
A moisture collecting pocket is provided in cummunication with the lowest portion of an actuating chamber of an air actuated system wherein compressed air is alternately introduced into and exhausted from the actuating chamber. A valve device is disposed within the pocket and has a restricted flow path formed therein from the pocket through the valve device when it is in an opened position with the valve device being movable to a closed position blocking the flow path each time compressed air is introduced into the actuating chamber.
Claims6
A moisture ejector in combination with the actuating chamber of a pressure fluid actuated device, said moisture ejector comprising:
- an axle housing;
- an anchor member fixedly connected to the housing including a moisture collecting pocket formed therein connected to the lowest portion of said actuating chamber;
- a threaded body portion sealingly mounted in the pocket including a bore formed therethrough;
- a valve stem mounted in the threaded body portion;
- an external valve connected to a first end of the stem;
- an internal valve connected to a second end of the stem;
- and
- resilient means in the bore of the threaded body between the internal and external valves for normally urging the external valve into seated engagement with the threaded body and for simultaneously normally urging the internal valve out of seated engagement with the threaded body, and said internal valve being movable by pressure fluid introduced into said actuating chamber to a closed position blocking the flow path each time pressure fluid is introduced into said actuating chamber, whereby said external valve is opened.
Dependencies are inferred from the claim text.