Fluent material handling – with receiver or receiver coacting mea – Combined
Patent
1978-12-07
1980-07-15
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Combined
141113, 141231, 141302, 141349, 104 1R, 105 1A, 2511496, 406145, 414378, B65B 304
Patent
active
042123330
ABSTRACT:
An automatic bottom load and unload railway tank car includes a tank body having a quick fill and unload lading valve in the tank bottom. A vent valve is also located in the tank bottom and a vent conduit extends from the vent valve up to the top of the tank to a tank vent located in the top of the tank. At a tank car loading and unloading site, the tank car is spotted over an actuating assembly located between and below the tracks. The actuating assembly includes a lading valve actuator and a vent valve actuator which move upwardly and engage the tank bottom to open the lading valve and the vent valve. A lading conduit is connected to the lading loading and unloading valve and to a storage container. A vent conduit is connected between the vent valve and the upper portion of a storage container. During loading, lading passes from the storage container through the lading valve into the tank, and air and vapors pass from the tank to the top of the storage container. During unloading, lading passes from the tank car through the lading valve into the container, and air and vapors enter the car through the vent conduit from the atmosphere or from the top of the container. After the car is loaded and/or unloaded, the actuating assembly is returned to a retracted position below the tracks.
REFERENCES:
patent: 3125135 (1964-03-01), Boyer et al.
patent: 3563287 (1971-02-01), Ruddick
patent: 3604478 (1971-09-01), Gowens
patent: 4040456 (1977-08-01), Defrees
ACF Industries Incorporated
Bell, Jr. Houston S.
Cummings Henry W.
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