Patents for G05D 7 - Control of flow (11,410)
10/1990
10/23/1990US4965713 Terminal element
10/18/1990WO1990012239A1 Sealing means for fluid handling system
10/17/1990EP0392072A1 Fluid mass flow control system
10/17/1990EP0269707B1 Nozzle and device for implementing such nozzle
10/16/1990US4962792 Fluids rate of flow saving or limiting device
10/11/1990WO1990012350A1 Method for producing a heatable and refrigerable element for a system handling small quantities of liquid, and an element manufactured by the method
10/10/1990EP0329683A4 Apparatus and method for dispensing fluid materials
10/10/1990EP0224584B1 Pressure compensated restrictive flow regulator cartridge
10/10/1990CN2063660U Material measuring controller
10/10/1990CN2063659U Rotatable guide blade arrangement for axial fan
10/09/1990US4961341 Testing device for an oxygen sensor
10/04/1990WO1990011493A1 Viscosity-insensitive mechanical fluid flowmeters and flow regulators
10/03/1990CN2063247U 流量控制器 Flow Controllers
09/1990
09/25/1990US4958658 Mass flow stabilized
09/20/1990DE3908057A1 Method for regulating the amount of air fed to a gas mask, and gas mask in which this method is used
09/19/1990EP0387925A1 Method of and device for monitoring and controlling the physical state of an incompressible fluid
09/19/1990EP0387524A2 Two-way flow control valve
09/16/1990CA2011707A1 Apparatus and method for pulp quality control and regulation
09/05/1990EP0385922A2 Bubbler valve
09/05/1990EP0385501A2 Constant feed water device
09/04/1990US4954975 Weigh feeding system with self-tuning stochastic control and weight and actuator measurements
09/04/1990CA1273563A1 Method and device for detecting a fluid flow
09/03/1990CA2007565A1 Bubbler valve
08/1990
08/29/1990CN1044978A Butterfly valve having function for measuring flow rate and method of measuring flow rate with butterfly valve
08/28/1990US4951459 Methods for metering fluid and apparatus for use therewith
08/22/1990EP0382964A2 Butterfly valve having the function of measuring flow rate and method of measuring flow rate with a butterfly valve
08/21/1990US4951224 Control device for fluid flow
08/15/1990CA2009617A1 Two-stage proportional flow control valve
08/14/1990US4947889 Method of measuring flow rate and flow meter for use in said method as well as apparatus for controlling flow rate of liquid using said flow meter
08/14/1990CA1272755A1 Valve for the addition of water to electrochemical accumulator batteries
08/01/1990EP0380053A2 Capacity control valve
08/01/1990CN1044352A Apparatus and operating method of stream carrier for carrying flow material
07/1990
07/26/1990WO1990008354A1 Fluid flow controller
07/26/1990WO1990008293A1 Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure
07/18/1990EP0378311A2 Control valve
07/18/1990CA2001024A1 Fluid flow controller
07/17/1990CA1271688A1 Hydraulic fuse
07/12/1990WO1990007740A1 Apparatus and installation for the continuous dosing of a product in powder form
07/10/1990US4940170 Spray head for use with a can containing a liquid exposed to the pressure of a propellant
07/03/1990US4938259 Fluid flow controller
07/03/1990US4938253 Paint discharge control device
07/03/1990CA1271140A1 Integrated, microminiature electric-to-fluidic valve and pressure/flow regulator
06/1990
06/27/1990CN1008552B Gas flow controller
06/20/1990CN1043207A 流量控制器 Flow Controllers
06/20/1990CN1043193A Power unit control method and power unit control system
06/19/1990US4934565 Liquid dispensing system with electronically controlled valve remote from nozzle
06/19/1990US4934397 Procedure and means for controlling volumetric flow rate in air-conditioning installations
06/13/1990DE3844673A1 Flow limiter
06/12/1990US4933614 Motor drive control circuit
06/12/1990US4932840 Control apparatus of variable delivery pump
06/12/1990US4932440 Volume governor for flowing media
06/12/1990US4932435 Multi-stage flow regulating valve
06/07/1990DE3939495A1 Liq. through flow regulator for water supply - has one transverse banking face in tubular component defining passage for liq., useful in washing machine
06/06/1990EP0371597A2 Flow controller
06/05/1990US4931050 Constant pressure variable flow pump
06/05/1990US4930992 Control apparatus of variable delivery pump
06/05/1990US4930665 Liquid dispensing system with electronically controlled valve remote from nozzle
06/01/1990CA2004141A1 Automated programmable weigh cell dispenser
05/1990
05/31/1990DE3840210A1 Continuous-flow water heater device for determination and adjustment of the quantity of water
05/30/1990EP0370221A1 Method of limiting discharge flows from a container for liquids
05/30/1990EP0370162A2 Method and apparatus for measuring and controlling a fluid flow rate
05/30/1990EP0370070A1 Synthetisized flow-control servovalve.
05/23/1990EP0369738A2 Modulation system for pressure reducing valves
05/23/1990EP0369357A1 Control in method and system of a filling device
05/22/1990US4927747 Noncontrolling type valve
05/22/1990US4926903 Butterfly valve having a function for measuring a flow rate and method of measuring a flow rate with a butterfly valve
05/16/1990EP0144370B1 Flow regulator and its use
05/15/1990US4925371 Flow rate control for a variable stroke pump
05/08/1990US4922956 Fluid flow control regulator
05/08/1990US4922852 Apparatus for dispensing fluid materials
05/01/1990US4921005 Mass flow controller
04/1990
04/26/1990DE3934885A1 Treiberschaltung fuer ein elektromagnetisches fluessigkeits-regelventil Driver circuit for an electromagnetic fluid control valve
04/26/1990DE3908291C1 Flow-control valve
04/25/1990EP0364562A1 Electronically controlled temperature and flow mixing device for liquid media, in particular for sanitary installations.
04/24/1990US4919596 Fluid delivery control and monitoring apparatus for a medication infusion system
04/24/1990US4919314 Time control device for water conditioning apparatus
04/24/1990US4919305 Fuel dispensing nozzle with built-in flow regulator
04/18/1990EP0363516A1 Thermoelectric chiller and automatic syringue
04/18/1990CN2056257U Adjustable fluid constant flow regulator
04/11/1990EP0362913A1 Self-regulating register
04/10/1990US4915349 Gas governor apparatus and gas piping system
04/10/1990US4914758 Fresh water control system and method
04/05/1990DE3831988A1 Proportional valve with a control amplifier
03/1990
03/28/1990EP0360569A2 Flow control device
03/28/1990EP0360464A2 Liquid dispensing system
03/28/1990EP0360204A1 Unit apt to act upon the flow
03/28/1990CN1040855A Energy-saving power-limiting check valve of centrifugal pump
03/22/1990WO1990002988A1 Flow control
03/20/1990US4910682 Method of calibrating and determining the rotational and fluid delivery velocities of a peristaltic fluid pump
03/08/1990WO1990002371A1 Apparatus for metering fluid flow
03/08/1990DE3822835A1 Process and arrangement for coating workpiece surfaces
03/06/1990US4905959 Pressure medium valve
03/06/1990US4905687 Method and apparatus for regulating air supplied to a gas mask
02/1990
02/28/1990EP0355723A1 Device for permanently affecting a fluid-stream, especially one in a valve
02/28/1990EP0355249A2 Terminal element for simulator and controller
02/28/1990EP0355153A1 Liquid level control system.
02/27/1990US4905161 Flow stability reporting system for a liquid chromatography system
02/27/1990US4903901 Pulverized coal flow controller
02/21/1990CN1039910A Computer aided tuning of tubine controls
02/21/1990CN1006936B Control system and method for gas-making process in gas-making furnace