Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.

Chine

 
Quantité totale PI 53
Rang # Quantité totale PI 24 182
Note d'activité PI 2,7/5.0    74
Rang # Activité PI 9 620
Parent Hitachi, Ltd.

Brevets

Marques

9 0
0 0
44 0
0
 
Dernier brevet 2022 - Frequency conversion system
Premier brevet 2012 - Drive control device and method ...

Derniers inventions, produits et services

2021 Invention Air source heat pump system and defrosting control method thereof. An air source heat pump syste...
Invention Air conditioner and air conditioner defrost method. Disclosed by the present application are an a...
Invention Method for predicting energy efficiency of air-conditioning system, and air-conditioning system. ...
Invention Air conditioner. An air conditioner, comprising: at least one indoor unit; and at least one outdo...
Invention Frequency conversion system. Disclosed is a frequency conversion system. The frequency conversion...
Invention Air conditioning system. 00 of the frequency converter according to the current operating frequen...
2020 Invention Air conditioner. An air conditioner. A heat exchanger provided therein comprises a distributor (1...
Invention Air conditioner. An air conditioner, comprising: an outdoor unit. The outdoor unit comprises: a h...
Invention 2 heat pump system and defrosting control method therefor. 2222 refrigerant circulation path comp...
Invention Outdoor unit of air conditioner, and air conditioner. An outdoor unit of an air conditioner compr...
Invention Integrated air source heat pump. Disclosed is an integrated air source heat pump. An electric app...
Invention Ducted air conditioner. The present application provides a ducted air conditioner, comprising a h...
Invention Ducted air conditioner. The present application discloses a ducted air conditioner. A noise reduc...
Invention Ducted air conditioner. A ducted air conditioner, comprising a housing (1), an upper thermal insu...
Invention Ducted air conditioner. A ducted air conditioner, comprising a box body assembly, an air conditio...
Invention Duct-type air conditioner. Disclosed is a duct-type air conditioner, comprising a housing (1), a ...
Invention Air duct machine. An air duct machine, comprising a housing (1) and a heat exchanger (6). The hou...
Invention Air conditioner indoor unit. An air conditioner indoor unit, comprising a housing (1), used for f...
Invention Air conditioner. An air conditioner, comprising: a housing (1), which is used for forming a chamb...
2019 Invention Air conditioner. An air conditioner. A heat exchanger is provided on a heat exchange loop. The he...
Invention Air conditioner. An air conditioner, having different working modes and comprising: a wire contro...
Invention Air conditioner. An air conditioner, comprising an indoor unit and a controller. The indoor unit ...
Invention Multi-line defrosting control method. The present application discloses a multi-line defrosting c...
Invention Air conditioner outdoor unit and control method. An air conditioner outdoor unit and a control me...
Invention Multi-split air conditioner and control method therefor. Provided are a multi-split air condition...
Invention Air conditioner and control method thereof. Disclosed in the present application is an air condit...
Invention Air conditioner. An air conditioner, comprising: a compressor (2), provided with an intermediate ...
Invention Air conditioner and control method therefor. An air conditioner and a control method therefor. Th...
Invention Compressor oil return control method and apparatus. A compressor oil return control method and ap...
Invention Outdoor unit, multi-split system and control method therefor. An outdoor unit (01), a multi-split...
Invention Multi-split system and time-sharing dehumidification method therefor. A multi-split system time-s...
Invention Air conditioning heat pump system using ejector, air conditioner, and air conditioner control met...
2018 Invention Translation-based signal generation method and device, home bus system (hbs) circuit, and user eq...
Invention Method and device for signal conversion, home bus system (hbs) circuit, and user equipment. A Hom...
Invention Outdoor unit of an air conditioning system, air conditioning system, and control method thereof. ...
Invention Air conditioner and method for controlling the same. An air conditioner and a control method ther...
Invention Air conditioner and control method therefor. Disclosed is an air conditioner (1) and a control me...
Invention Outdoor unit for air conditioner, air conditioner, and air conditioning system. An outdoor unit f...
2017 Invention Air conditioning heat pump system which uses injector, air conditioner, and air conditioner contr...
Invention Drive control method for electronic expansion valve. A drive control method for an electric expan...
2015 Invention Air conditioner heat-radiating circulation system. Disclosed is an air conditioner heat-radiating...
2014 Invention Oil-return control method, device and outdoor unit of variable-frequency air conditioner. An oil-...
Invention Multi-type air conditioner system. The disclosure discloses a multi-type air conditioner system i...
Invention Heat recovery variable-frequency multi-split heat pump system and control method thereof. A heat ...
Invention Free static pressure ducted air conditioning unit. A free static pressure ducted air conditioning...
Invention Heat radiation and circulation system of air conditioner. Provided is a heat radiation and circul...
2013 Invention Three-pipe total-heating-processing variable refrigerant flow air conditioning system and indepen...
Invention Radiant floor heating multi-split air conditioning system. Disclosed is a radiant floor heating m...
2012 Invention Drive control device and method for electronic expansion valve. A drive control device and method...