Two-stage rotary vane vacuum pump casing
OwnerLi Ouyang, Chuanlei Yanginventors
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Abstract
The present disclosure relates to a two-stage rotary vane vacuum pump casing 200 that comprises an exterior surface 202 and a first plurality of cooling fins 204 (214) protruding from the exterior surface 202, wherein each cooling fin 204 (214) extends along the exterior surface 202 between a first and second cooling fin end 201a, 201b, and is a non-planar element that forms an at least partially enclosed cooling channel 206 (216) between the first and second ends 201a, 201b of the cooling fin 204 (214b). The present disclosure also provides a method of making a two-stage rotary vane vacuum pump casing 200 using extrusion and providing a removable end plate for a two-stage rotary vane vacuum pump casing 200.
Claims22
A two-stage rotary vane vacuum pump casing comprising:
- an exterior surface;
- and
- a first plurality of cooling fins protruding from the exterior surface, wherein each cooling fin extends along the exterior surface between a first and second cooling fin end, and is a non-planar element that forms an at least partially enclosed cooling channel between the first and second ends of the cooling fin.
A method of manufacturing a two-stage rotary vane vacuum pump casing comprising forming the casing by extrusion.
A two-stage rotary vane vacuum pump casing comprising a removably attached end plate.
Dependencies are inferred from the claim text.