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Air Conditioner

Air Conditioner-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Permanent magnet embedded electric motor, compressor and refrigeration air conditioner
Mitsubishi Electric Corporation
October 12, 2017 - N°20170294814

In a permanent magnet embedded electric motor, a rotor iron core of a rotor disposed on an inner diameter side of a stator includes: a plurality of first slits that are formed on a radial direction outer side of a magnet insertion hole, and communicate with the magnet insertion hole; a plurality of second slits formed at positions opposed to ...
Systems and methods of powering a refrigeration unit of a hybrid vehicle
Thermo King Corporation
October 12, 2017 - N°20170292745

Systems and methods for providing power to a refrigeration unit or an air conditioner used on a hybrid vehicle. The system includes an accumulation choke, a pwm rectifier, and a frequency inverter. The accumulation choke is configured to receive a first ac power, a second ac power, and a dc power. The accumulation choke and pwm rectifier convert the received ...
Indoor equipment and air conditioner
Mitsubishi Electric Corporation
October 12, 2017 - N°20170292733

The present invention includes a plurality of fan motors, first and second inverters for individually driving the fan motors, respectively, and one and a common control unit that performs a control arithmetic for each of the fan motors and generates an individual driving signal given to each of the inverters.
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Air Conditioner Patent Applications
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Air-conditioning management apparatus and air-conditioning system
Mitsubishi Electric Corporation
October 12, 2017 - N°20170292726

An air-conditioning management apparatus configured to control operation of a plurality of air conditioners includes a plurality of indoor units, the air-conditioning management apparatus including: a control unit configured to, during normal control of maintaining an indoor temperature, carry out air-conditioning control of shifting control from the normal control to power-saving control when each piece of load data respectively indicating ...
Full front blowing type air conditioner
Samsung Electronics Co., Ltd.
October 12, 2017 - N°20170292719

A full front blowing type air conditioner is disclosed. The disclosed full front blowing type air conditioner includes a case of which a heat exchanger is disposed in an inner side; and a blower module disposed in rear of the heat exchanger in the case, and configured to discharge a pulse jet for blowing through a front face of the ...
Method for operating a vehicle climate control system
Ford Global Technologies, Llc
October 12, 2017 - N°20170291472

A method for controlling torque of an air conditioner compressor is disclosed. In one example, the air conditioner compressor is a variable displacement compressor. The method may provide smooth transitions between different air conditioner compressor torques.
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Air Conditioner Patent Applications
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For professional research & prior art discovery
inventor
  • 401+ full patent PDF documents of Air Conditioner-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Motor drive apparatus and air conditioner
Mitsubishi Electric Corporation
October 05, 2017 - N°20170288595

A motor drive apparatus driving a motor as a three-phase motor converting direct power into three-phase alternating power, includes: inverter modules equivalent in number to phases of the motor; and a control unit generating pwm signals used to drive the inverter modules with pwm. The inverter modules each include a plurality of switching element pairs connected in parallel, each of ...
Inverter control apparatus and air conditioner
Hitachi-johnson Controls Air Conditioning, Inc.
October 05, 2017 - N°20170288594

A controller of an inverter control apparatus includes an a/d conversion unit that performs digital conversion of an input signal when a signal for either an a/d converter start trigger or an a/d converter start trigger is input thereinto; a first inverter control unit that generates the a/d converter start trigger which starts the a/d ...
Wiring board, electric motor, electric apparatus, and air conditioner
Mitsubishi Electric Corporation
October 05, 2017 - N°20170288509

An object of the present invention is to obtain a wiring board that achieves both of high mounting position accuracy and high solder strength in a circumferential direction. On the wiring board, an electronic component including a plurality of pins is mounted. The wiring board includes a base substrate, a plurality of wires provided on the base substrate, a resist ...
Membrane microgravity air conditioner
Oceaneering International, Inc.
October 05, 2017 - N°20170284751

Clean condensate production may be produced from humidity in unfiltered air for an extended period of time using a membrane microgravity air conditioner which comprises an air box, comprising an inlet air flow path from a side face through an open top, and a filtering system disposed within the air box. The filtering system comprises one or more trash screens ...
Compressor control apparatus and method for vehicle
Kia Motors Corporation
October 05, 2017 - N°20170284719

A compressor control apparatus for a vehicle includes: a compressor configured to compress coolant of an air conditioner; a coolant temperature measurement unit configured to measure a coolant temperature; a data detector configured to detect state data for controlling the compressor; and a controller configured to determine an operation rate of the compressor based on the coolant temperature and the ...
Air conditioner
Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited
October 05, 2017 - N°20170284717

An air conditioner 1 includes: an outdoor heat exchanger 14; an outdoor fan 12 for blowing air to the outdoor heat exchanger; an outdoor fan motor 20 that drives the outdoor fan; an outdoor fan inverter 21 that drives the outdoor fan motor; and a control unit 31 that generates a rotation-speed command voltage for controlling the rotation number of the outdoor fan motor. In addition, ...
Air conditioner / heater attachment systems
Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited
October 05, 2017 - N°20170284699

An ac/heater attachment systems has various types of devices to attach a filter system to a ducting port. A magnetic u shaped device has a raised lip for placement of a filter therein; the device is made from naturally magnetic material or is coated with a magnetic paint. Diamond clip type attachment devices are attachable to a filter in ...
Air Conditioner Patent Pack
Download 401+ patent application PDFs
Air Conditioner Patent Applications
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For professional research & prior art discovery
inventor
  • 401+ full patent PDF documents of Air Conditioner-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Air conditioner and control method therefor
Lg Electronics Inc.
October 05, 2017 - N°20170284694

The present invention comprises: a first filter, and a second filter positioned in the slipstream of the first filter in the airflow direction; a dust amount sensor positioned before the first filter in the airflow direction, having a hole part through which dust passes, and transmitting, per unit of time, each of a first total, which is the amount of ...
Air conditioner construction method
Daikin Industries, Ltd.
October 05, 2017 - N°20170284686

Operation switching units, each changing directions of a refrigerant flowing through its associated indoor unit in response to a switch from a cooling operation to a heating operation, or vice versa, are each connected with the associated indoor unit through indoor communication pipes; a gas-liquid separation unit is connected with an outdoor unit through outdoor communication pipes; and the operation ...
Air conditioner for vehicle
Hanon Systems
October 05, 2017 - N°20170282682

Disclosed is an air conditioner for a vehicle which has inside air intake ports formed on the side surface of a cylindrical intake duct and the side surface of a cylindrical intake door so as to partially inhale inside air during an outside air inflow mode, thereby reducing manufacturing processes and manufacturing costs because there is no need to add ...
Motor drive apparatus and air conditioner
Mitsubishi Electric Corporation
September 28, 2017 - N°20170279377

A motor drive apparatus driving a motor as a three-phase motor converting direct current into three-phase alternating current, includes: inverter modules and equivalent in number to phases of the motor; and a control unit generating pwm signals used to drive the inverter modules with pwm. The inverter modules each include a plurality of switching element pairs connected in parallel, each ...
Stator for electric motor, electric motor, and air conditioner
Mitsubishi Electric Corporation
September 28, 2017 - N°20170279332

A stator for an electric motor includes: an annular lead wiring part attached to one axial end of the stator and routing a power lead to a winding of the stator; and a lead-out part provided on the radially outer side of the annular lead wiring part and leading out the power lead to the radial outside of the lead ...
Communication system, signal transfer method, and air conditioner
Mitsubishi Electric Corporation
September 28, 2017 - N°20170277209

An outdoor unit and an indoor unit communicate with each other. The outdoor unit includes a communication circuit that outputs a pulse signal to be transmitted to the indoor unit. The indoor unit includes a communication circuit that receives the pulse signal transmitted by the outdoor unit. An air conditioner 100 includes at least one photocoupler to transfer to the communication ...
Rotational sprayer cleaning device for an air conditioner condensing unit and method
Mitsubishi Electric Corporation
September 28, 2017 - N°20170276443

An improved cleaning device for an air conditioning condensing unit having a housing with a sprayer cleaning device therein which includes a rotatably disposed spray nozzle connected to a spray nozzle conduit which operably communicably connects to a hose coupling connection outside the housing, wherein the spray nozzle conduit rotates about a rotational axis. A method of cleaning the air ...
Air conditioner and control method thereof
Mitsubishi Electric Corporation
September 28, 2017 - N°20170276413

The air conditioner may include a refrigerant circuit provided with a compressor, a condenser, an expansion valve and an evaporator; a refrigerant amount detection device configured to determine whether a refrigerant state in an outlet of the compressor is a supercooled state or a gas-liquid two phase state, and configured to calculate a refrigerant amount ratio in the refrigerant circuit, ...
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