US PATENT SUBCLASS 60 / 620
.~ Fluid motor means is expansible chamber type with movable parts of motor and engine being interconnected

Current as of: June, 1999
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60 /   HD   POWER PLANTS

597  DF  FLUID MOTOR MEANS DRIVEN BY WASTE HEAT OR BY EXHAUST ENERGY FROM INTERNAL COMBUSTION ENGINE {5}
620.~ Fluid motor means is expansible chamber type with movable parts of motor and engine being interconnected {3}
621  DF  .~.~> Movable wall portions are rigidly interconnected
622  DF  .~.~> Expansible chamber of fluid motor means receives exhaust alternately from two or more expansible chambers of engine means
623  DF  .~.~> Fluid motor is rotary type

DEFINITION

Classification: 60/620

(under subclass 597) Apparatus, wherein the internal combustion engine, and the other of said motor means each has at least one working member and the working members of the diverse motors are mechanically interconnected.