Motor start relay and an electric compressor using same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 17, 2007
Grant Date -
Mar 3, 2005
app pub date -
Aug 16, 2004
filing date -
Aug 26, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A motor start relay (100) comprises a positive temperature PTC thermistor, a PTC case 400 of heat resistant resin for receiving the PTC thermistor horizontally, first and second contact/terminals (500, 560) each having contacts electrically engaged with a respective electrode surface of the PTC thermistor in the PTC case (400), a housing (200) receiving the PTC case (400) and a cover (300) attached on the housing (200). FIG. 9 shows the failsafe mechanism of the present invention. In case of a crack occurring in the PTC thermistor, thermistor portion PTC1 is rotated by spring contact (510) with a force F1, and thermistor portion PTC2 is pushed by spring contact (570) at the reverse direction and is dropped through an opening of the PTC case (400).
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