Matches 1 - 41 out of 41


Match Document Document Title
8550368 Interactive control system for an HVAC system  
An interactive system for controlling the operation of an HVAC system is provide that comprises a thermostat for initiating the operation of the HVAC system in either a full capacity mode of...
8145363 Systems and methods for controlling load dynamics in a pumped refrigerant cooling system  
A pumped refrigerant cooling system for use in a row of equipment racks is configured to contain electronic equipment. The system includes a communication network and a refrigerant distribution...
8109327 Temperature control system having heat exchange modules with indirect expansion cooling and in-tube electric heating  
A temperature control system for a container includes a refrigeration circuit having a primary fluid circulating therein and a secondary fluid circuit in communication with a first compartment of...
7841208 Method and system for improving the efficiency of a refrigeration system  
A compression refrigeration system and evaporator having multiple circuits. Spray nozzles are provided for atomization and expansion of the refrigerant. The atomizing spray nozzles are interposed...
7723845 System and method of a heat transfer system with an evaporator and a condenser  
The present invention is a MEMS-based two-phase LHP (loop heat pipe) and CPL (capillary pumped loop) using semiconductor grade silicon and microlithographic/anisotrophic etching techniques to...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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.
3709769 CONTROL FOR AIR-CONDITIONING APPARATUS  
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...
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...
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...
3523575 AIR-CONDITIONING SYSTEM HAVING HEAT STORAGE RESERVOIR  
3472313 CENTRAL HEATING AND COOLING SYSTEM  
3429367 AIR CONDITIONING APPARATUS  
3404728 Air conditioning system  
3305001 Plural zone heating and cooling system  
3252507 Multi-unit air-conditioning systems  
3181604 Air conditioning system for subdivided inhabitable enclosures  

Matches 1 - 41 out of 41