Importance

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Abstract

A cryogenic pump is disclosed as having a plunger housing with a plurality of barrels formed in a ring around a central axis, and a plurality of plungers. Each of the plurality of plungers may be reciprocatingly disposed within a different one of the plurality of barrels. The cryogenic pump may also include an inlet manifold connected to the plunger housing and having a plurality of bores. Each of the plurality of bores may be open to a corresponding one of the plurality of barrels. The cryogenic pump may also have at least one orifice in fluid communication with each of the plurality of bores, and an inlet check valve disposed between each of the plurality of bores and the at least one orifice. The inlet check valve may be movable to selectively allow flow between the at least one orifice and a corresponding one of the plurality of barrels.

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First Claim