Patents for G05D 7 - Control of flow (11,410) |
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02/15/1995 | CN2189758Y Gas-flow regulator |
02/14/1995 | US5388984 Method of continuous modulation of a fluid flow rate by means of an electrically controlled sequential valve |
02/02/1995 | CA2167058A1 Liquid material dispenser and valve |
02/01/1995 | EP0636959A2 Hybrid valving system for varying fluid flow rate |
02/01/1995 | EP0636529A1 Flow control valve for pumps of power-assisted steering |
02/01/1995 | EP0355153B1 Liquid level control system |
01/31/1995 | US5385505 Pressure maintenance system for substantially sealed space |
01/31/1995 | US5385329 Method and apparatus for enhancing stability in hydraulic flow control |
01/30/1995 | CA2129071A1 Flow control valve |
01/26/1995 | DE4324555A1 Simple control device for adjusting slides, gates, flaps, throttles and valves for flows and ducts or pipelines for flowing media of large cross-sectional area |
01/24/1995 | US5383489 Flow control valve with enhanced flow control piston |
01/19/1995 | WO1995002126A1 Pump controller |
01/18/1995 | EP0566574B1 Intelligent mass flow controller |
01/12/1995 | DE4331057C1 Optimising the stirrer rotational speed in a mechanical metering device |
01/11/1995 | EP0633035A1 Multichannel dosage system |
01/11/1995 | EP0548149B1 Flow controlling device for a discharge system such as a drainage system |
01/10/1995 | US5380485 Apparatus for conducting and controlling chemical reactions |
01/10/1995 | US5379792 Damper with blade for sensing pressure differential |
01/10/1995 | US5379791 Dual-head flow controller and method |
01/05/1995 | DE4320715A1 Valve for low flow rates in a liquid channel |
01/05/1995 | CA2166067A1 Multiple electromagnetic tiles for boundary layer control |
01/04/1995 | EP0632355A2 Discharge flow control system and method in hydraulic pump |
01/04/1995 | EP0632354A2 Pressure vessel for supplying a liquid at a constant flow rate |
01/04/1995 | EP0632255A1 Method to control dosing efficiency in a loss-in-weight feeder |
01/04/1995 | EP0632203A1 Electropneumatic converter with solenoid valve control |
12/27/1994 | US5375413 For regulating air flow within a refrigeration device |
12/23/1994 | CA2126403A1 Electropneumatic converter with solenoid valve control |
12/22/1994 | DE4421303A1 Apparatus and process for taking up and letting out a liquid |
12/21/1994 | EP0629568A2 Method and apparatus for controlling the drive of self-excited vibrating parts feeder |
12/20/1994 | US5373737 Sensor device for mass flow controller |
12/15/1994 | DE4319660A1 Servo-valves for the control of volume flows |
12/15/1994 | DE4319015A1 Device for controlling a mass flow |
12/14/1994 | EP0628460A1 Changeover valve and flow control valve assembly having the same |
12/07/1994 | EP0627601A1 Air flow regulating device |
12/07/1994 | EP0626803A1 Fluid regulator |
12/06/1994 | US5370354 For a variable fluid |
11/29/1994 | CA1333298C Computer aided tuning of turbine controls |
11/24/1994 | DE4316484A1 Flow limiter for district heating installations |
11/23/1994 | EP0625740A2 Amplifying system for solenoid controlled proportion valve |
11/22/1994 | US5365962 Flow control system and method of operating a flow control system |
11/17/1994 | DE4316759A1 Directional valve with a proportional function |
11/15/1994 | US5363876 Flow control devices |
11/10/1994 | DE4321975C1 Method for monitoring the metering capacity of a metering device |
11/09/1994 | EP0623398A1 Method and apparatus for controlling fume hood face velocity using variable by-pass resistance |
11/02/1994 | EP0622716A2 A method and system for maintaining a desired air flow through a fume hood |
11/01/1994 | CA2041900C Hydraulic drilling jar |
10/26/1994 | EP0621523A2 Method for providing high-precision volumetric flow at low flow rate and apparatus therefor |
10/26/1994 | EP0621452A1 Device for the automatic air flow control in an air conditioning installation, ventilating installation or alike |
10/19/1994 | EP0620329A1 Flow regulator particularly for rainwater receiving basin |
10/19/1994 | EP0620199A2 Modular section control for I.S. machine |
10/19/1994 | EP0620197A2 Valve block assembly for I.S. machine |
10/19/1994 | CN1026270C Arrangement of gas carrier carrying fluidable material and operation of same |
10/11/1994 | US5354516 Gas feeder |
10/05/1994 | EP0618429A1 Method and device for dosing, particularly for powders |
09/29/1994 | WO1994021938A1 Flow control valve |
09/21/1994 | EP0616276A1 Apparatus for delivering metered quantities of a fluid substance |
09/21/1994 | EP0615592A1 A pressure regulator for maintaining a stable flow level of a fluid |
09/20/1994 | US5348036 Automatic control valve |
09/20/1994 | US5347982 Flame monitor safeguard system |
09/15/1994 | DE4408452A1 Durchflußregler Flow |
09/14/1994 | EP0615099A1 Fluid distribution network with controller |
09/13/1994 | CA2070016C Electric multi-point positioner |
09/07/1994 | EP0614135A1 Liquid dispensing reservoir having a flow rate that is independent of the liquid level |
09/01/1994 | WO1994019734A1 Method and apparatus for enhancing stability in hydraulic flow control |
08/31/1994 | CN1091400A Micrc computer control system for pre-watering cement to granulate |
08/25/1994 | DE4405640A1 Powder-feed apparatus, apparatus for electrostatic powder application and powder-flow-rate measuring apparatus |
08/25/1994 | DE4339489A1 Device for shutting off and releasing a gas flow in a gas pipe |
08/25/1994 | DE4305362A1 Method for adjusting a pulsed electromagnetic valve |
08/24/1994 | EP0452437B1 Control valve |
08/23/1994 | US5341307 Apparatus and method for controlling flow rate in vibratory feeders |
08/17/1994 | EP0610418A1 Method for liquid flow measuring and apparatus to practise this method |
08/17/1994 | EP0610226A1 Compressed air control system |
08/04/1994 | WO1994017463A1 Improved automatic recirculation valve |
08/04/1994 | DE4341579A1 Control valve for refrigerating plant |
08/03/1994 | EP0608919A1 Terminal element |
08/03/1994 | EP0608218A1 Methods and devices for control of fluidic systems |
08/02/1994 | US5335166 Method of operating a sand screw |
08/02/1994 | US5333646 Electromagnetic valve for controlling the flow of a fluid in a pipe |
08/02/1994 | US5333638 Automatic recirculation valve |
08/02/1994 | US5333454 Flow control valve unit |
08/02/1994 | CA2113390A1 By-pass valve metering system |
07/27/1994 | EP0607451A1 Flow rate control valve and its control method |
07/26/1994 | US5332337 Particle feeding device and method for pyrolytic carbon coaters |
07/26/1994 | US5331995 Flow control system for medical ventilator |
07/26/1994 | CA2098173C Flow regulator |
07/26/1994 | CA1331045C Method for controllably positioning a solenoid plunge |
07/21/1994 | WO1994015686A1 A balloon with accompanying helium supplying cartridge |
07/19/1994 | US5329966 Gas flow controller |
07/19/1994 | US5329965 Hybrid valving system for varying fluid flow rate |
07/19/1994 | CA2042056C Constant flow valve |
07/19/1994 | CA1330835C Terminal element |
07/14/1994 | DE4300545A1 Device for influencing a flow-medium pressure prevailing in an elastic line through which flow takes place |
07/13/1994 | EP0605669A1 Flow control device for infusion systems |
07/13/1994 | CN1089372A Controller for mass flow of materials |
07/13/1994 | CN1025462C 流量控制器 Flow Controllers |
07/06/1994 | CN2171131Y Controller for gas flow |
07/06/1994 | CN2171130Y Controller for gas flow |
07/05/1994 | US5327473 Time period configurable fluid flow control circuit |
07/05/1994 | US5325884 Compressed air control system |
06/29/1994 | EP0604236A1 Nitrogen oxide removal control apparatus |