US PATENT SUBCLASS 137 / 627
.~ Sequential distributor or collector type


Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
627.~ Sequential distributor or collector type


DEFINITION

Classification: 137/627

(under subclass 561) Subject matter in which the plural valves are of the distributor type, i.e., comprise a number of valve-controlled outlets and a lesser number of inlets, usually one, or a number of valve-controlled inlets and lesser number of outlets, some of the valves of the larger

number opening or closing as others close or open.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255+, for plural tanks with parallel flow, especially subclass 256 for sequentially filled and emptied tanks.

262, for plural tanks comprising flow dividing compartments.

263, and 266, for manifold type flow.

602+, for distribution systems having plural inlets and a single outlet. 861+, for distribution systems having a single inlet and plural outlets, in which at least one flow control means is provided and two or more passages are controlled.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

449, and 450 for rotary distributing valves for fuel to internal-combustion engines.

239, Fluid Sprinkling, Spraying, and Diffusing,

66, for sprinkling and spraying devices having serial discharge.