.~ With ported chamber in piston part for circulating heat exchange fluid
DEFINITION
Classification: 92/186
(under subclass 172) Apparatus in which the piston is provided with a chamber having a restricted opening for communicating such chamber with a source of heat exchange fluid.
(1) Note. The fluid may be the working fluid for the expansible chamber device, or a fluid which is separate and distinct from the working fluid.
SEE OR SEARCH CLASS
123, Internal-Combustion Engines,
41.35+, for an internal combustion engine piston provided with a cavity therein and means to circulate a coolant in said cavity.
