Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › G05D 11 - Ratio control
Patents for G05D 11 - Ratio control (5,344)
07/1990
07/18/1990EP0198915B1 Compounding system
07/11/1990EP0377441A1 Safety-operational surveillance of a speed-rate controlled blower for furnace air
07/05/1990DE3843491A1 Automatic unit for dispersing frost protection liquid (anti-freeze)
06/1990
06/20/1990EP0373341A1 Gas-aided dispensing of liquid materials
06/19/1990US4934598 Safety shut-down device for two-component sprayer systems
06/19/1990CA1270544A1 Automatic powder feeding apparatus
06/13/1990EP0179119B1 Method of measuring and regulating the concentration of a fibre suspension and a device for carrying out the method
06/06/1990EP0371066A1 Method and apparatus for controlling the production of refined stock.
05/1990
05/31/1990WO1990005946A1 Control system and method for chemical injectors
05/29/1990US4928850 For supplying a gaseous mixture to an external system on demand
05/17/1990DE4000363A1 Maintaining bulk flow properties of solid-liq. mixt. - by repeating component ratio determn. followed by corrective addn. of sepd. material
05/16/1990CN2057165U Controller for burden
05/15/1990US4924900 Adjustable ratio mixing valve
05/10/1990DE3836602A1 Device for the addition of additives to liquid fuels
05/08/1990US4923092 Binary syrup metering system for beverage dispensing
04/1990
04/05/1990WO1990003604A1 Thermostatic pressure balanced valve assembly
04/03/1990US4913198 System for automatic dispensation of dye solution
04/03/1990US4913180 Control system and method for chemical injectors
04/03/1990CA1267348A1 Constant percentage flow divider
03/1990
03/28/1990EP0203182B1 Dye color control system
03/20/1990US4909436 Wet atmosphere generation apparatus
03/14/1990EP0358317A2 Binary syrup metering system for beverage dispensing
03/08/1990DE3819076A1 Device for counting or dispensing goods
03/06/1990US4905732 Modular pressure balanced valve assembly
02/1990
02/27/1990CA1266181A1 Apparatus for injecting measured quantities of liquid into a fluid stream
02/13/1990US4899825 Continuous mixing device, particulary suitable for preparing aqueous solutions of foam extinguisher for fire-fighting systems
02/13/1990US4899774 Fluidic density control for chlor alkali cells
01/1990
01/30/1990US4896691 Pressure compensating device
01/24/1990EP0351806A2 Method and device for flow control of two fluids
01/18/1990DE3823606C1 Two-component spraying device
01/17/1990EP0350605A2 Two components spray installation
01/02/1990US4891121 Internal combustion engines
12/1989
12/26/1989US4889433 Programmable apparatus and method for delivering microingredient feed additives to animals by weight
12/14/1989WO1989012010A1 Gas blending apparatus
12/07/1989DE3818760A1 Method for the maintenance of a constant mixture ratio in the supply of a secondary medium into a primary medium flow and device for carrying it out
12/07/1989DE3818643A1 Aerosol generator for producing a continuous flow of particles, in particular for injecting air flows
12/06/1989CN2048783U Dynamically quantitative pneumatic apparatus of explosive gas
11/1989
11/07/1989US4878614 Programmable fertilizer application system
10/1989
10/24/1989US4876653 Programmable multiple blender
10/19/1989DE3809467A1 Method and device for providing a milk sample representative of a volume of milk
10/17/1989US4874426 Surface tensiometer and concentration controlling device
10/17/1989US4874116 Gas blending apparatus
10/04/1989EP0334939A1 Liquid flow control device
10/04/1989EP0334874A1 Device for metering at least two flowable reaction components into a mixing chamber.
10/03/1989US4871262 Cosmetic dispensing system
09/1989
09/27/1989EP0334213A2 Process for continuous preparation of fluid mixture
09/21/1989DE3808318A1 Process and arrangement for preparing solutions of a chemical concentrate
09/12/1989US4865458 Apparatus for blending granules for a roofing product
09/06/1989EP0330768A1 Pressure compensating apparatus
09/06/1989CN1035238A Mixing device
08/1989
08/10/1989WO1989007294A1 Cosmetic dispensing system
08/09/1989EP0326581A1 Flowmeter for measuring volumetric flow.
07/1989
07/26/1989EP0324937A1 Apparatus for introducing a fluid substance into a carrier gas, and method for operating the apparatus
07/25/1989US4850703 Method of mixing pulverulent materials and device for practicing the same
07/19/1989CN1034062A Control and measuring instrument for welding flux
07/18/1989US4849174 Gas generating device
06/1989
06/20/1989US4840292 Method and apparatus for dispensing oil well proppant additive
06/14/1989EP0320503A2 Automated system for adding multiple fluids to a single container
06/14/1989EP0320280A2 Acoustic monitoring of two-phase feed nozzles
06/14/1989EP0319658A2 Apparatus for controlling or regulating gas mixtures
06/13/1989US4838297 Apparatus for injecting a fluid into a network
06/13/1989US4838295 System for controlling mass flow rates of two gases
05/1989
05/31/1989EP0317736A2 Surface tension measuring method and concentration controlling device utilizing a surface tensiometer
05/30/1989US4835701 Post-mix method and system for supply of powderized materials
05/24/1989DE3737564A1 Apparatus for monitoring or correcting the solids content in fluxes
05/23/1989US4832072 Fluid proportioning and mixing system
05/23/1989US4832071 Fluid motor metering device
05/16/1989US4830508 Controlling method and a measuring mixer for liquids and powders
05/10/1989CN1032847A Automatically operating valve for adjusting water flow and tap having this valve
05/09/1989US4827966 Pressure equilibrator for gases
04/1989
04/26/1989CN2036679U Forecasting device for automatic alum addition control system
04/26/1989CN1032496A Control of suspension density using radiation source
04/25/1989US4824016 Acoustic monitoring of two phase feed nozzles
04/20/1989WO1989003554A1 Liquid flow control device
04/18/1989US4821761 Closed loop pump control system
04/13/1989DE3732042A1 Method for the metering of dental materials
04/12/1989EP0311229A2 Automatic dispensation of dye solutions
04/05/1989EP0310193A1 Flow rate meter and automatic animal feeder installation employing such flow meter
04/05/1989EP0309886A2 Automatically operating valve for regulating water flow and faucet provided with said valve
04/04/1989US4817659 Apparatus for automatically metering gas into liquid
03/1989
03/22/1989EP0308027A2 Control of suspension density using radiation source
03/21/1989US4815042 Programmable apparatus and method for delivering microingredient feed additives to animals by weight
03/21/1989CA1251320A1 System for controlling ammonia injection rate
03/15/1989EP0307265A2 Gas generating device
03/14/1989CA1251293A1 Polymer feed system
03/07/1989US4809731 Liquid injection apparatus having an external adjustor
02/1989
02/28/1989US4807657 Automatic fluid flow regulator
02/22/1989EP0304093A2 Liquid measuring apparatus
02/14/1989US4804065 Device for dosing a flowing fluid
02/01/1989CN1030707A Additive-feeding device for flowing fluid
01/1989
01/26/1989WO1989000736A1 Programmable multiple blender
01/26/1989WO1989000624A1 Method and apparatus for controlling the production of refined stock
01/19/1989DE3722453A1 Method for automatic mixing of a colour from base (ground, fundamental) colours and device for carrying out this method
01/18/1989EP0299630A1 Programmable multiple blender
01/03/1989US4794806 Automatic dilution system
12/1988
12/28/1988EP0296652A2 Continuous mixing device, particularly suitable for preparing aqueous solutions of foam extinguisher for firefighting systems
12/28/1988CN88103591A Controlling method and measuring mixer for liquids and powders
12/27/1988US4793268 Method for controlling additive feed in a boiler system
12/06/1988US4789003 Water treatment apparatus
11/1988
11/29/1988CA1245451A1 Duct atomizing humidification and evaporative cooling system
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