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Document Title |
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7216698 |
Air-conditioning system
An air-conditioning system for a building includes a hot water distribution circuit, a cold water distribution circuit, and several terminal air conditioning units. Each of the terminal air...
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6742349 |
Equipment sensing system and equipment control device
Data is transmitted to a main control device via sensing means such as temperature sensors, each having a memory means in which the ID code is stored, and via transmitting/receiving means such as...
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6655163 |
Dual evaporator air conditioning system and method of use
A dual evaporator air conditioning system and method for use therewith to cool air in front and rear portions of a cabin. The dual evaporator air conditioning system includes primary and auxiliary...
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6126080 |
Air conditioner
In an air conditioner including an outdoor unit and plural indoor units, the outdoor unit is provided with an indoor unit operation setting mechanism for setting the driving operation of the indoor...
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6125640 |
Method of controlling a system having multiple air conditioner units
A method of controlling a system with multiple air conditioner units having an outdoor machine and a plurality of indoor machines, which detects different driving modes input to each indoor...
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6102114 |
Multi-room air conditioning system
A multi-room air conditioning system includes an outdoor unit and a plurality of indoor units connected in parallel to the outdoor unit. A compressor frequency and combustion control calculator...
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5944098 |
Zone control for HVAC system
A control assembly for a HVAC system serving a plurality of zones within a structure, having ducting including a damper situated in an outlet of the ducting leading to each zone, a biasing element...
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5720179 |
Methods and apparatus for controlling the temperatures of a plurality of rooms
The temperatures of a plurality of rooms are controlled by a refrigerant cycle which enables a user to select desired room temperatures and one of the following operating modes: (i) supplying hot...
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5383336 |
Automatic control address setting type distributively arranged air conditioner group apparatus
A distributively arranged air conditioner group apparatus includes plural groups of air conditioners distributively arranged at remote locations wherein each group consists of a plurality of units...
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5344069 |
Air conditioning apparatus for distributing primarily-conditioned air to rooms
Primarily-conditioned air is discharged from a heat source, and distributed into a plurality of rooms through a duct. The duct has a plurality of air passages connected to the rooms, and a damper...
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5343935 |
Multiple type air conditioning apparatus
A multiple type air conditioning apparatus includes a refrigerant supply unit having a variable capacity compressor, at least two internal air conditioning units each having an internal...
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5265436 |
Control apparatus for air-conditioners
Multi-purpose indoor units and multi-purpose outdoor units are parallel-connected with each other by refrigerant pipes, and an operating capacity is obtained on the basis of the sum of the demanded...
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5156203 |
Air conditioning system
The present invention relates to air conditioning systems and more particularly to an air conditioning system which provides air conditioning in each of a plurality of spaces. The air conditioning...
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4812997 |
Control apparatus for an air conditioning system
A control apparatus for an air conditioning system has an outdoor unit with a compressor, a condenser and a plurality of motorized valves installed to a plurality of branch pipings. A plurality of...
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4773472 |
Control device for a refrigerating apparatus of a vending machine
A temperature control device is disclosed for use in a vending machine having a plurality of storage chambers. The temperature control device includes a refrigerating apparatus provided with a...
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4766735 |
Inverter-aided multisystem air conditioner with control functions of refrigerant distribution and superheating states
A single outdoor unit has at least an inverter circuit, a compressor motor, a variable capacity compressor, and an outdoor heat exchanger. A plurality of indoor units each have at least an indoor...
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4522253 |
Water-source heat pump system
A heating and cooling system for a building having a number of separately-controlled zone heat pumps includes a circulation conduit for heating or cooling a heat transfer fluid circulated...
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4462460 |
Modular air conditioning apparatus
An improved modular air conditioning apparatus utilizing heat pump assemblies and capable of heating or cooling adjacent room areas separated by a common wall partition. The apparatus comprises a...
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4335320 |
Multi-zone energy supply controller
A controller for the power supply system of a building structure divided into multiple zones provides a time-programmer and a load shedder for controlling the availability of separate heating,...
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4307576 |
Air conditioning system having a plurality of indoor units
An air conditioning system comprises an outdoor unit and a plurality of indoor units, a plurality of delivery conduits for supplying working fluid from a variable capacity energy source located in...
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RE30245 |
Two-riser heating and cooling unit
A heating and cooling unit for installation in a building and including a pair of vertically extending risers extending for the length of a housing and adapted for connection to risers of...
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4122893 |
Air conditioning system
An air conditioning system, particularly well suited for use in a multi-zoned building, includes an air conditioning unit for each zone. These air conditioning units can be either all reversible...
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3823572 |
FREEZE PROTECTION DEVICE IN HEAT PUMP SYSTEM
A water source heat pump system having a plurality of zone air conditioning units, each unit adapted for selectively heating or cooling a zone independent of other units, each air conditioning unit...
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3743010 |
AIR CONDITIONING APPARATUS
An air conditioning apparatus including refrigeration means and heating means for selectively heating and cooling a plurality of zones, the apparatus being provided with separate heating means and...
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3731730 |
MODULAR MULTIZONE, ZONE LOGIC CONTROL CENTER
A control system for utilizing a single, low voltage thermostat to actuate a plurality of heating means or a plurality of cooling means.
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3658123 |
APPARATUS FOR CONTROLLING THE TEMPERATURE OF A HEAT EXCHANGE MEDIUM
An apparatus for controlling the temperature of a heat exchange medium in a reverse cycle heat pump system includes within a closed heat exchange medium recirculating path thermostatically...
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3630271 |
HEAT STORAGE DEVICE USING FUSIBLE MATERIAL
A multiroom heating-cooling system of the type wherein a water loop extends through a plurality of room air-conditioning units to exchange heat therewith, the improvement comprising a novel heat...
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3608625 |
CLOSED LOOP HEAT PUMP SYSTEMS
This disclosure relates to a closed loop heat pump system for use in multizone buildings in which the closed loop is connected through a plurality of individual zone units. The zone units are heat...
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3523575 |
AIR-CONDITIONING SYSTEM HAVING HEAT STORAGE RESERVOIR
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3472313 |
CENTRAL HEATING AND COOLING SYSTEM
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3429367 |
AIR CONDITIONING APPARATUS
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3404728 |
Air conditioning system
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3305001 |
Plural zone heating and cooling system
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3252507 |
Multi-unit air-conditioning systems
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3181604 |
Air conditioning system for subdivided inhabitable enclosures
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3709769 |
Title is not available
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