Power saving thermal carrier circulating pump particularly for heat pump heating systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 16, 1986
Issued Date -
N/A
app pub date -
Jan 10, 1986
filing date -
Mar 23, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric-motor-driven circulating pump for heating systems reduces power consumption of the motor, whereby the reduction ensues by means of periodic interruption of a line feed by means of electronic switch means so that switch-on and pause intervals follow one another. The switch means interrupt or close current flow at a zero-axis crossing of the voltage of the line feed.
First Claim
Family
International Classification(s)
Cited Art Landscape
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