Patents for F24F 11 - Control or safety systems or apparatus (29,222)
05/1998
05/12/1998US5749782 Equipment for conveying articles of rod-like appearance, in particular cigarettes
05/12/1998US5749230 Method for creating a humidity gradient within an air conditioned zone
05/12/1998CA2025279C Zone control system providing synchronization of system operation with the zone of greatest demand
05/06/1998EP0840071A2 Air conditioner and method of controlling the air conditioner
05/06/1998CN1180817A Air conditioner control apparatus and method therefor
05/06/1998CN1180816A Air conditioner
04/1998
04/30/1998WO1998017955A1 Air conditioner
04/29/1998EP0838739A1 HVAC network verification system
04/29/1998CN1180154A Air conditioning apparatus
04/28/1998US5743465 Methods and apparatus for effecting wireless control of an air conditoner
04/28/1998US5743103 Air conditioner
04/28/1998US5743101 Air-conditioner
04/28/1998US5743100 Method for controlling an air conditioning system for optimum humidity control
04/28/1998CA2149802C Air conditioner
04/22/1998EP0837289A2 Air conditioner and method of controlling the air conditioner
04/21/1998US5742516 Indoor air quality and ventilation assessment monitoring device
04/16/1998WO1998015790A1 Method for speed control of compressor and control arrangement using the method
04/15/1998CN1178892A Air direction control method for air conditioner
04/15/1998CN1178891A Serial data transfer device for air conditioner
04/15/1998CN1038064C Method of and apparatus for driving blow direction adjusting blades
04/15/1998CN1038063C Method for controlling of air-conditioner
04/14/1998US5737935 Apparatus for intensively cooling food newly loaded in a refrigerator
04/14/1998US5737934 For modifying the temperature/moisture content of air within an enclosure
04/08/1998EP0834708A1 Multi-type air-conditioner
04/08/1998CN1178311A Thermal detector device for air conditioner
04/07/1998US5736823 In an air handling system
04/01/1998CN1177707A Fitted-in-roof air-conditioner with controller making lifting plate move up and down
03/1998
03/24/1998US5730652 Damper with stationary pitot-static sensing vanes
03/18/1998CN1176379A Control method and equipment for separate charging in shared central air conditioning system
03/18/1998CN1176370A Device for and method of sensing condensing water of air conditioner
03/18/1998CN1176369A Discharge current control apparatus of air conditioner and method thereof
03/18/1998CN1176368A Air current control apparatus for air conditioner and methods
03/18/1998CN1176367A Apparatus and method of controlling automatic door of air conditioner
03/18/1998CN1176366A Discharge current control apparatus of air conditioner and method thereof
03/11/1998CN1175672A Wind direction control apparatus for air conditioner and control method therefor
03/11/1998CN1175671A Suction inlet/discharge outlet opening and closing apparatus for air conditioner and method therefor
03/10/1998US5726449 Detecting apparatus and measuring method of warm object
03/10/1998US5725425 Sensor system for controlling ventilation systems in vehicles
03/10/1998US5724826 Outside air conditioner unit with a controller for varying the intensity of air flow
03/05/1998WO1998009116A1 Controller of air conditioner
03/05/1998DE19634708A1 Stall ventilation process
03/04/1998EP0825899A1 Air distribution arrangement for paint spray booth
03/04/1998CN1175016A Device and method for controlling domestic equipment operation
03/04/1998CN1174981A Method for controlling temp. of refrigerator
03/04/1998CN1174967A Indoor air conditioner with inlet and outlet closing door and operation method
03/04/1998CN1174966A Controller for air conditioner operation and control method
03/04/1998CN1174965A Automated branch flow calibration in HVAC distribution system
03/04/1998CN1174964A Method for controlling air conditioner
03/04/1998CN1174962A Air Conditioning system
03/04/1998CN1174952A Valve for overhauling air conditioner
02/1998
02/25/1998EP0825391A1 Certification's and graduation's activity system of subordinated buildings behavior heat and cooling activity's sources too
02/24/1998US5720659 Fire protection system and method using dual-purpose plumbing
02/24/1998US5720658 Space pressurization control system for high containment laboratories
02/24/1998US5720315 System for controlling flow through a process region
02/24/1998US5720179 Methods and apparatus for controlling the temperatures of a plurality of rooms
02/24/1998US5720176 Control system for an air conditioner
02/24/1998CA2090192C Integrated furnace control
02/19/1998WO1998007083A1 Ventilation controlling apparatus
02/19/1998DE19734475A1 Prediction of component failure by operational use monitoring
02/18/1998CN1173616A Wind Control device and control method of air conditioner
02/17/1998US5718627 System and method for smoke free elevator shaft
02/17/1998US5718372 Method for assisting a main heating system
02/11/1998EP0823598A2 In-ceiling type air conditioner having controller for upward and downward motion of elevating panel
02/11/1998CN1172932A Louver driving device for air conditioner and method of controlling louver driving device
02/10/1998CA2110762C System for controlling heating or cooling capacity in heating or air conditioning systems
02/05/1998WO1998004872A1 A method for measuring ventilation in rooms with tracer gas technique
02/04/1998CN2273825Y Numerical preset type thermostat with thermo numerical variable speed regulation circuit
02/03/1998US5713516 Alert air conditioning control method for air conditioner for enhancing learning efficiency
01/1998
01/28/1998EP0821204A1 Process and device for the internal pressure control of a ventilated enclosure
01/28/1998EP0820572A1 Process control, method and apparatus
01/28/1998CN1171520A Air conditioner and control method of same
01/27/1998US5712540 Control method and apparatus for controlling motors of air conditioner
01/27/1998CA2126925C Setback control for hvac system
01/22/1998DE19728570A1 Fan unit controller for car air-conditioner part
01/22/1998DE19628735A1 Optimum timing method for air change duration in heated room
01/21/1998EP0819896A2 Air conditioner and control method of the same
01/21/1998EP0819895A2 Automated branch flow calibration in a HVAC distribution system
01/21/1998CN1170855A Method of controlling multiple air conditioner
01/20/1998US5709533 Process and a device for regulating the flow rate of an air current
01/20/1998US5709097 Multiroom airconditioner
01/20/1998US5709094 Air conditioner control apparatus based on coolant type detection
01/14/1998CN2272545Y Remote device capable of locking
01/14/1998CN1170124A Controlling apparatus for various air conditioners
01/13/1998US5707283 Dual baffle system in automatic air inlets for livestock facilities
01/13/1998US5707005 Control system for air quality and temperature conditioning unit with high capacity filter bypass
01/08/1998WO1998000676A1 Environmentally enhanced enclosure for managing cmp contamination
01/07/1998CN1169524A Method and apparatus for controlling direction and flow rate of air discharged from air conditioner
01/07/1998CN1169522A Discharged air current control apparatus of air conditioner and method thereof
01/06/1998US5705734 Automated branch flow calibration in a HVAC distribution system
12/1997
12/31/1997WO1997050022A1 Variable speed control of a centrifugal chiller using fuzzy logic
12/31/1997WO1997049957A1 Zoning interface system for a variable speed heat pump
12/30/1997US5703367 Human occupancy detection method and system for implementing the same
12/30/1997US5701753 Air conditioning apparatus
12/30/1997US5701750 Zone demand controlled dual heat pump system and controller therefor
12/30/1997CA2018282C Method of operation of air cleaner
12/29/1997EP0813671A1 Peak-load conserving thermostat and method
12/23/1997US5700192 Register with injector nozzle
12/18/1997WO1997048030A1 Thermal comfort controller
12/18/1997WO1997047929A1 Ventilation system, particularly for use in the agricultural field
12/17/1997CN2270913Y Telecontroller for window type air conditioner