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Patent Searching and Data


Title:
HEATING CONTROL METHOD AND APPARATUS, OIL PUMP MOTOR, AND HEAT EXCHANGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/272527
Kind Code:
A1
Abstract:
A heating control method and apparatus, an oil pump motor, and a heat exchange system. The method comprises: injecting a heating current into an oil pump motor in a cold state, wherein when the oil pump motor is not started, a torque that can be generated by the heating current is zero, after the oil pump motor is started, the heating power of the heating current is greater than that of an energy-saving current, and when an oil temperature is greater than a preset temperature threshold, the energy-saving current is a current that enables a first motor to reach a target operating working condition.

Inventors:
SHI CHAOJIE (CN)
EERHEMU BAYAER (CN)
WU CHAOQIANG (CN)
WANG SHAOHUA (CN)
XIE XIAOWEI (CN)
Application Number:
PCT/CN2021/103273
Publication Date:
January 05, 2023
Filing Date:
June 29, 2021
Export Citation:
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Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
H02P21/14; F04D13/06; F04D15/00; F04D29/58; H02P21/20; H02P21/22
Foreign References:
US20110095717A12011-04-28
JP2003339101A2003-11-28
CN110985390A2020-04-10
CN107276316A2017-10-20
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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