| Patents for F24F 11 - Control or safety systems or apparatus (29,222) |
|---|
| 07/21/1993 | CN2138765Y Three speed wind blower coil tube temperature controller |
| 07/20/1993 | US5228779 Method and apparatus for calculating thermal sensitivity |
| 07/20/1993 | US5228500 Air conditioning system |
| 07/20/1993 | US5228307 Multitemperature responsive coolant coil fan control and method |
| 07/20/1993 | US5228306 Apparatus for controlling air-exchange and pressure and detecting airtight conditions in air-conditioned room |
| 07/20/1993 | US5228302 Method and apparatus for latent heat extraction |
| 07/13/1993 | US5226590 Adaptor for mounting temperature sensitive duty cycling control with flexible duct work |
| 07/13/1993 | US5226472 Modulated temperature control for environmental chamber |
| 07/13/1993 | US5226285 Self-cleaning heat exchanger fan assembly and controls |
| 07/13/1993 | US5226256 Window system for a building |
| 07/13/1993 | CA2032874C Control of staged heating and cooling apparatus by a four-wire thermostat |
| 07/07/1993 | EP0550380A2 Method and apparatus for detecting room humidity |
| 07/06/1993 | US5224648 Two-way wireless HVAC system and thermostat |
| 07/06/1993 | US5224353 Control method and apparatus for air-conditioner |
| 07/01/1993 | DE4243634A1 Defrosting of inverter-driven air conditioning plant - using outdoor measured temperature to initiate defrost, with compressor frequency controlled to give constant defrost time |
| 06/30/1993 | CN1073760A Control method for removing frost from inverter-type air conditioner |
| 06/30/1993 | CN1073759A Controller of air conditioner |
| 06/29/1993 | US5222370 Automatic chiller stopping sequence |
| 06/25/1993 | CA2086303A1 Air duct closure device |
| 06/24/1993 | WO1993012393A1 Power feeder of air conditioner |
| 06/24/1993 | WO1993007549A3 Wireless communication system for air distribution system |
| 06/24/1993 | DE4142122A1 Verfahren und raumlufttechnische anlage zur regelung des innenklimas eines raumes Procedures and air handling plant for control of the space inside a climate |
| 06/23/1993 | CN1073513A Controller of air conditioner |
| 06/23/1993 | CN1073512A Intelligent controller for air conditioning |
| 06/22/1993 | US5220940 Flow control valve with venturi |
| 06/15/1993 | US5220255 Interface for interconnecting a thermostat and an electronically commutated motor |
| 06/09/1993 | EP0545499A1 Digitally controllable ventilator having communication facilities,in particular for use in the agricultural sector |
| 06/08/1993 | US5216897 Preventing simultaneous start of air conditioners during recovery from a power failure |
| 06/08/1993 | US5216894 Control switch |
| 06/01/1993 | US5216226 Apparatus for preventing and predicting deterioration of insulation in an electric equipment |
| 06/01/1993 | US5215499 Positive pressure safety system |
| 06/01/1993 | US5215498 Ventilation controller |
| 06/01/1993 | US5214930 Method for regulating the temperature of a medium by means of a temperature control loop, and a temperature-regulating device for implementing the method |
| 05/27/1993 | WO1993010411A1 Method and apparatus for latent heat extraction |
| 05/26/1993 | EP0543622A2 Air conditioner and control apparatus therefor |
| 05/26/1993 | CN1072492A Controlling apparatus for air conditioner |
| 05/26/1993 | CN1072491A Working station for working environment control |
| 05/19/1993 | EP0542665A1 Automatic chiller plant balancing |
| 05/19/1993 | EP0279865B1 Temperature sensing element |
| 05/19/1993 | DE4137824A1 Compact, mixed flow air conditioning unit - incorporates switching system for by-passing or mixing recirculated and heated or cooled fresh air |
| 05/18/1993 | US5211713 Temperature control method with simultaneous heating and cooling near the set-point |
| 05/12/1993 | EP0540565A1 Heating and cooling system for air space in a building |
| 05/11/1993 | US5210684 Apparatus and method for controlling the operating frequency of compressor in air conditioning apparatus |
| 05/11/1993 | US5209400 Portable calculator for refrigeration heating and air conditioning equipment service |
| 05/11/1993 | US5209075 Current controlling apparatus and method for air conditioning apparatus |
| 05/11/1993 | CA1317655C Temperature sensing circuit |
| 05/09/1993 | CA2082308A1 Intelligent setpoint changeover for a programmable thermostat |
| 05/08/1993 | CA2055100A1 Laboratory fume hood control apparatus having improved safety considerations |
| 05/05/1993 | EP0539817A2 Volume flow regulator |
| 05/04/1993 | US5207379 Cascaded control apparatus for controlling unit ventilators |
| 05/04/1993 | US5207071 Current control apparatus for air-conditioning system |
| 05/04/1993 | US5207070 Air conditioner |
| 04/29/1993 | DE4134865A1 Room temp. regulation system for hot water central heating - uses remote control signals transmitted to each radiator valve for controlling flow |
| 04/28/1993 | EP0539163A2 Inverter air conditioner |
| 04/27/1993 | US5206521 Energy saving optoelectronic code reading access device |
| 04/27/1993 | US5205785 Control system for the ventilating means in a poultry building or the like |
| 04/22/1993 | DE4134282A1 Dirt removal system for induction air cooling appts. - uses temp. reduction for deposition of ice layer subsequently defrosted to rinse dirt off cooling fins |
| 04/21/1993 | CN1071243A Operation mode setting apparatus for air-conditioners |
| 04/20/1993 | US5203179 Control system for an air conditioning/refrigeration system |
| 04/15/1993 | WO1993007549A2 Wireless communication system for air distribution system |
| 04/13/1993 | US5201685 Integral air intake apparatus |
| 04/07/1993 | EP0535952A1 Humidifier |
| 04/07/1993 | EP0535631A1 Power demand control |
| 04/06/1993 | CA2023483C Separate type air-conditioner |
| 04/01/1993 | WO1993006420A1 Device for setting operation mode of air conditioner |
| 03/31/1993 | CN2129000Y Auto-controlling apparatus for air conditioner |
| 03/30/1993 | US5198809 Hard wired programmable controller especially for heating ventilating and air conditioning (HVAC systems) |
| 03/30/1993 | US5197862 Method and device for monitoring radon mitigation system |
| 03/30/1993 | US5197667 Hvac low power usage circulation blower |
| 03/30/1993 | US5197666 Method and apparatus for estimation of thermal parameter for climate control |
| 03/30/1993 | US5197298 Sensor and control system for an automotive air conditioning system |
| 03/30/1993 | US5197293 Method of controlling an air conditioning apparatus and air conditioning apparatus using the method |
| 03/25/1993 | DE4130748A1 Heating and cooling building using fluid media - involves common forward and rear flow conduit switchable between heating and cooling functions |
| 03/24/1993 | CN2128711Y Two-purpose cooling and warming air conditioner |
| 03/23/1993 | US5195329 Automatic chiller plant balancing |
| 03/23/1993 | US5195327 Compressor drive control method for cooling and heating dual-purpose air conditioner |
| 03/23/1993 | CA2052643C Pneumatic direct digital controller |
| 03/16/1993 | US5194043 Air conditioner air deflector arrangement |
| 03/16/1993 | US5193742 Method for controlling operation of air-conditioner to adjust room temperature automatically |
| 03/16/1993 | US5193352 Air pre-cooler method and apparatus |
| 03/16/1993 | CA1314397C Air conditioner |
| 03/10/1993 | CN1069802A 空调器 Air Conditioner |
| 03/09/1993 | US5192020 Intelligent setpoint changeover for a programmable thermostat |
| 03/04/1993 | WO1993004326A1 Interactive elecronic thermostat with minimum and maximum temperature thermal limit switches |
| 03/04/1993 | DE4129211A1 Motor-driven radial ventilator fan for air conditioner - has pyramidal deflector funnel extending outwards in downstream direction from rim of intake nozzle to casing around fan wheel outlet |
| 03/04/1993 | DE4129210A1 Motor-driven radial ventilator fan for air conditioner - has adjustable axial gap, broadened or narrowed according to volume flow set-point by intake-pressure-dependent fan wheel displacement |
| 03/04/1993 | CA2116663A1 Interactive electronic thermostat with minimum and maximum temperature thermal limit switches |
| 02/23/1993 | US5188561 For installation in static structures |
| 02/23/1993 | US5187943 Control apparatus for air-conditioner |
| 02/18/1993 | WO1993003337A1 Flowrate control device |
| 02/18/1993 | WO1993003311A1 Temperature control apparatus and a central unit for temperature control apparatus |
| 02/18/1993 | DE4127179A1 Climatic control method for animal shed to regulate temp. humidity and air quality - using microprocessor connected to humidity and temp. sensors to regulate heating and air flow |
| 02/18/1993 | CA2114938A1 Temperature control apparatus and a central unit for temperature control apparatus |
| 02/16/1993 | US5186016 Defrosting control method and apparatus for air conditioner |
| 02/09/1993 | CA1313552C Demand limit control by integral reset of thermostats |
| 02/09/1993 | CA1313550C Electrically commutated, variable speed compressor control system |
| 02/04/1993 | WO1993002323A1 Environmental control in a confined workplace |
| 02/04/1993 | DE4125710A1 Pressure relief valve for air conditioning system - is held closed by a pre-stressed torsion bar spring |
| 02/04/1993 | DE4125623A1 Einrichtung zum regeln eines volumenstromes Means for control of a flow |
| 02/03/1993 | EP0399003B1 Personal environmental module |