US PATENT SUBCLASS 323 / 222
.~ Using choke and switch across source

Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

220  DF  IN SHUNT WITH SOURCE OR LOAD {7}
222.~ Using choke and switch across source

DEFINITION

Classification: 323/222

Using choke and switch across source:

(under subclass 220) Subject matter wherein an inductor is connected across a source through a switch which is intermittently operated and it is the duty cycle of the switch which determines the amount of energy which is

diverted from the load.

(1) Note. The switch may take the form of mechanically operated contacts, a transistor, a SCR, a saturable reactor or other such on-off type devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

232, for shunt regulators using inductors (usually saturable) as the final control device.

282, and 351, for nonshunt switching regulators.

SEE OR SEARCH CLASS

363, Electric Power Conversion Systems, 15, and 124 for D.C.. to A.C. to D.C.. converters.