US PATENT SUBCLASS 418 / 206.1
.~.~ Having each radial protuberance of like dimension

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

191  DF  INTERENGAGING ROTATING MEMBERS {9}
205  DF  .~ Like rotary members {1}
206.1.~.~ Having each radial protuberance of like dimension {8}
206.2  DF  .~.~.~> With timing gear adjustment or arrangement
206.3  DF  .~.~.~> With heating or cooling
206.4  DF  .~.~.~> Having specific inlet or outlet port shape
206.5  DF  .~.~.~> Having specific rotor or tooth shape
206.6  DF  .~.~.~> With sealing means
206.7  DF  .~.~.~> With bearings
206.8  DF  .~.~.~> With lubrication
206.9  DF  .~.~.~> Using specific material

DEFINITION

Classification: 418/206.1

Having each radial protuberance of like dimension:

(under subclass 205) Apparatus in which each tooth or toothlike projection of the interengaging rotary members has the same dimensions and configurations.

(1) Note. Teeth or projections having the same dimensions and configurations except that they are mirror images of each other are considered proper subject matter for inclusion here.