.~ With gear, pressure exchanger, or screw-type compressor
DEFINITION
Classification: 60/39.45
(under subclass 39.01) Plants including a compressor utilizing interengaging impellers, a liquid or gas under pressure which directly contacts a gas to be compressed, or a rotating helix or screw, to compress the air, fuel, or fuel charge used in the plant.
SEE OR SEARCH CLASS
415, Rotary Kinetic Fluid Motors or Pumps, appropriate subclasses for rotary pumps and compressors, per se, and see the search note to Class 60, References to Other Classes of the Class 415 Class Definition for a statement of the line.
417, Pumps,
64, for a gas pressure pump using a rotary cellular conveyer; and 65+ for pumps of the type having one fluid pumped by
another.
418, Rotary Expansible Chamber Devices, 166+, for a rotary expansible chamber device of the moving cylinder type having intermeshing peripheral surfaces and subclasses 191+ for rotary expansible chamber devices of the interengaging rotating member type.
