US PATENT SUBCLASS 417 / 151
.~ Jet

Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
151.~ Jet {23}
152  DF  .~.~> Vapor condensation vacuum diffusion type {2}
155  DF  .~.~> Flue type {2}
158  DF  .~.~> With motive fluid generator {1}
160  DF  .~.~> Cleaning by separate fluid or diverted motive fluid
161  DF  .~.~> Radial disc-type motive fluid jet
162  DF  .~.~> Interrelated overflow and motive fluid valves
163  DF  .~.~> Successive introduction of motive fluid {6}
171  DF  .~.~> Tangential motive fluid supply (i.e., vortex type)
172  DF  .~.~> Concentric reverse flow motive fluid and discharge conduits
173  DF  .~.~> With cooling
174  DF  .~.~> Successive entrainment of pumped fluid
175  DF  .~.~> With priming or overflow removal jet
176  DF  .~.~> Parallel entrainments with separate combining tubes
177  DF  .~.~> Annular motive fluid stream entrains pumped fluid outside and inside
178  DF  .~.~> Selectively usable flow confining members (e.g., nozzles, combining tubes, etc.)
179  DF  .~.~> Plural motive fluid jets or sources for single entrainment {1}
181  DF  .~.~> Faucet or flexible hose attached
182  DF  .~.~> Regulation {7}
194  DF  .~.~> With means to whirl pumped fluid
195  DF  .~.~> Specific material
196  DF  .~.~> Expressed mathematically or dimensionally
197  DF  .~.~> Peripheral motive fluid supply
198  DF  .~.~> Specific motive fluid nozzle

DEFINITION

Classification: 417/151

(under subclass 65) Apparatus in which motive and pumped fluids are brought into intimate contact in an enclosed flow path, the motive fluid having a higher velocity than the pumped fluid and imparting energy to the pumped fluid by the action of entrainment and frictional contact.

SEE OR SEARCH THIS CLASS, SUBCLASS:

76+, for jet pumps having a motive fluid generating pump.

87+, for diverse pumps one of which is a jet pump.

SEE OR SEARCH CLASS

137, Fluid Handling,

888+, for systems having multiple inlets and a single outlet with means to promote mixing or combining of plural diverse fluids and subclass 842, for a "turbulence amplifier" having similar structure. If the system is disclosed as one of the fluids acting to pump the other classification is in this class (417). 261, Gas and Liquid Contact Apparatus,

76+, for injector-type gas and liquid contact apparatus where there is a mutual exchange of properties between the fluids.