B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/26 (2006.01) B01D 53/04 (2006.01) B60T 17/00 (2006.01)
Patent
CA 2305993
A spin-on air desiccant canister or dryer far the air brake pneumatic/compressor system of a vehicle. The spin-on air desiccant canister includes an outer cylindrical steel canister, an aluminum cast baseplate, and an internal desiccant bed that may be held in place by an internal desiccant container. The baseplate is adapted to connect the canister to the pneumatic circuit and includes a central outlet port for return of dried air and peripheral inlet ports for receiving compressed wet air. The desiccant container holds molecular desiccant beads for removal of the humidity from the compressed air. Baffle plates are located in the desiccant container and divide the desiccant bed into multiple different layers. A spring compresses the baffle plates and the desiccant bed to maintain a compact desiccant bed. Some of the baffle plates includes air ports at their center while the other baffle plates include air ports at their outer radial periphery. With this arrangement, the air flow passage through the desiccant bed travels radially inward and outward through consecutive layers in the desiccant bed. This increases the travel distance for air without increasing the axial length of the filter. A pressure relief valve may also be connected to the baseplate for exhausting excessive pressure build up in the canister.
Biere David A.
Brown Gene W.
Strope Claude F.
Baldwin Filters Inc.
Marks & Clerk
LandOfFree
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