US PATENT SUBCLASS 60 / 39.091
.~ With safety device

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

39.01  DF  COMBUSTION PRODUCTS USED AS MOTIVE FLUID {31}
39.091.~ With safety device {5}
39.092  DF  .~.~> Debris anti-ingestion preventer
39.093  DF  .~.~> Ice preventer or de-icer
39.094  DF  .~.~> Fuel flusher or drainer
39.1  DF  .~.~> Excess pressure relief
39.11  DF  .~.~> Flame screen

DEFINITION

Classification: 60/39.091

With safety device:

(under subclass 39.01) Plants in combination with a safety device in the form of means to prevent the creation of dangerous or objectionable operating conditions, or to sense and to relieve such conditions.

(1) Note. The conditions referred to do not ordinarily occur during normal operation of the power plants.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39.03, for processes of regulation of the rate of power output.

39.13, for plants wherein the operation of the generator is stopped and started in response to pressure changes in an accumulator receiving products of combustion.

39.2+, for apparatus for the regulation of the rate of power output.

SEE OR SEARCH CLASS 123, Internal-Combustion Engines,

198, for safety devices designed for use with internal-combustion engines.