Controlled power converter for thermoelectric heat pump drive

Details Controlled power converter for thermoelectric heat pump drive Controlled power converter for thermoelectric heat pump drive

1983-06-09

1985-11-26

Tanner, Harry

Refrigeration

With indicator or tester

Operatively correlated with automatic control

73 29, 374 20, G10N 3100

Patent

active

045547939

ABSTRACT:
A controlled power conversion system for providing power to a thermoelectric heat pump for controlling the temperature of a device, such as a chilled mirror used in a chilled mirror humidity sensor. The system uses means, responsive to a DC input power source and to a control signal representing changes in the temperature of the device, for providing periodic pulses of the DC input power having a duty cycle which is controllable in accordance with the control signal. The input power is time-averaged and an energy storage means, responsive to the periodic pulses of DC input power, is utilized to provide a controllable time averaged DC power output to the heat pump.

REFERENCES:
patent: 3383584 (1968-05-01), Atherton
patent: 3733540 (1973-05-01), Hawkins
patent: 3959714 (1976-05-01), Mihelich
patent: 4016461 (1977-04-01), Roland
patent: 4030015 (1977-06-01), Herko et al.
patent: 4216669 (1980-08-01), Harding, Jr.

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