ClassID:

217580

H02K29/14 - CPC Classification

Classification description:

Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices

Recent Application in this class:
#1
20240097543
2024-03-21

Methods and apparatus to control engine speed of a power system

#2
20210296977
2021-09-23

Electric motor and method for evaluating the vibration state of an electric motor

#3
20200177115
2020-06-04

Brushless DC motor having drive circuit generating superimposed signal

#4
20200028425
2020-01-23

Methods and apparatus to control engine speed of a power system

#5
20180065221
2018-03-08

DC-motor

#6
20180050398
2018-02-22

Power tool having first elastic member and second elastic member accommodated in first gear

#7
20170366063
2017-12-21

Motor

#8
20170229944
2017-08-10

Speed detection circuits for permanent magnet alternators

#9
20160202654
2016-07-14

Motor control device, image forming apparatus, motor control method, method for controlling image forming apparatus

#10
20150280528
2015-10-01

Speed detection circuits for permanent magnet alternators

#11
20140354200
2014-12-04

Apparatuses for controlling operation of a motor of a fan assembly based on an induced voltage or a back electromotive force

#12
20130342086
2013-12-26

Motor with shaft integrated sensing magnet

#13
20120007531
2012-01-12

Apparatus and method for controlling speed of a fan via a first control module connected by a cable and/or conductors between a motor and a second control module

#14
20110127940
2011-06-02

Motor

#15
20060071563
2006-04-06

Brushless motor

#16
20060006747
2006-01-12

Brushless motor with speed detector having noise cancel pattern

#17
20050206253
2005-09-22

Motor resolver assembly and method of measuring speed and position of a motor rotor

#18
20050121987
2005-06-09

Encapsulated motor

#19
20050033547
2005-02-10

Rotational speed detector with ripple compensation