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Class Information
Number: 361/27
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > Motor protective condition responsive circuits > Motor temperature > With thermistor sensor
Description: Subject matter wherein the sensing device is a resistor whose characteristics vary with temperature in a definite manner.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8558513 Safety circuit and battery pack using the same Oct. 15, 2013
8547696 Latch module and electronic device using the same Oct. 1, 2013
8288902 Thermistor device preventing deformation of thermistor element, and preventing first conductive plate from directly conducted to second conductive plate Oct. 16, 2012
8248739 Electrical switching apparatus and protection apparatus determining thermal age of another apparatus or a number of insulators Aug. 21, 2012
8084967 Motor controller and printer Dec. 27, 2011
8085514 Modular on-machine controller Dec. 27, 2011
8049469 Safety circuit and battery pack using the same Nov. 1, 2011
7970650 POS device Jun. 28, 2011
7954334 Inverter system and vehicle Jun. 7, 2011
7839108 Electric motor stator winding temperature estimation Nov. 23, 2010
7800872 Switch-state monitoring device Sep. 21, 2010
7486490 Actuator for the actuation of a clutch and/or a gear mechanism Feb. 3, 2009
7362550 Electric motor comprising a temperature monitoring device Apr. 22, 2008
7049518 Shielded cable, process for assembling the same and compressor unit having the same May. 23, 2006
7005827 Starting circuit for single-phase induction motor Feb. 28, 2006
6989976 Overcurrent protection circuit Jan. 24, 2006
6847187 Detection of loss of cooling air to traction motors Jan. 25, 2005
6542846 Thermal management system for a portable ultrasound imaging device Apr. 1, 2003
6490158 Motor start capacitor assembly Dec. 3, 2002
6452359 Starting system for an electric motor Sep. 17, 2002
6317304 Assembly of electric motor-controlling components Nov. 13, 2001
6249104 Cutout start switch heating Jun. 19, 2001
6236550 Motor activating circuit device and refrigerator May. 22, 2001
6169648 Electronic motor protection system Jan. 2, 2001
6107669 Load actuating semiconductor circuit having a thermally resistive member Aug. 22, 2000
6090735 Semiconductive ceramic composition and semiconductive ceramic element using the same Jul. 18, 2000
5867083 Protective device for surge current protection of associated equipment in communications systems Feb. 2, 1999
5852539 Overheat circuit for a utility vehicle Dec. 22, 1998
5793171 Control circuit for controlling the driving of a DC motor for a mirror assembly of a vehicle Aug. 11, 1998
5790355 Control system Aug. 4, 1998
5784232 Multiple winding sensing control and protection circuit for electric motors Jul. 21, 1998
5729416 Motor starter and protector module Mar. 17, 1998
5645746 Use of PTC devices Jul. 8, 1997
5617281 Low cost circuit controller Apr. 1, 1997
5612847 Power window circuit board overcurrent protection Mar. 18, 1997
5550527 Resistor device for controlling a rotational speed of a motor Aug. 27, 1996
5530613 Current limiting circuit controller Jun. 25, 1996
5473495 Combination load controller Dec. 5, 1995
5436784 Motor protection relay using thermal models Jul. 25, 1995
5428493 Motor starting relay device having PTC thermistors Jun. 27, 1995
5323287 Protective device for electric motors Jun. 21, 1994
5291085 Split-phase starter for an electric motor Mar. 1, 1994
5264766 Wiper motor high current protection PTC Nov. 23, 1993
5153805 Temperature-compensated thermal protector Oct. 6, 1992
5146763 Air conditioning compressor protection device Sep. 15, 1992
5123081 Temperature control system for motors and power components of a material handling vehicle Jun. 16, 1992
5015937 Parametric current control for microstepping unipolar motor May. 14, 1991
4983897 Control circuit Jan. 8, 1991
4973146 Electrically driving system for foldable rearview mirrors of motor vehicle Nov. 27, 1990
4914329 Ventilation air flow block in an electric motor Apr. 3, 1990

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