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)
03/1982
03/23/1982US4320775 Liquid metering unit responsive to the weight of the metered liquid
03/17/1982EP0047483A1 Process for the control of liquid-conditioning in an evaporation plant
03/16/1982CA1119810A1 Mixing gases
03/09/1982CA1119697A2 Air-fuel mixture ratio control using electrostatic force
03/09/1982CA1119585A1 Magnetically coupled stirrers in a metering and mixing system
03/02/1982US4317647 Dosing system
02/1982
02/09/1982CA1118078A1 Variable reference mixture control with current supplied exhaust gas sensor
01/1982
01/26/1982US4312401 Heat transfer system
01/06/1982EP0043363A2 Admixing device for producing a mixture of water and a foaming agent, especially for fire fighting
11/1981
11/26/1981WO1981003361A1 Apparatus for controlling the flow of a fluid
11/18/1981EP0040098A1 A district hot water supply system
11/18/1981EP0040086A1 Improved air conditioning control system with master and tracking controllers
11/10/1981CA1112047A1 Combustion gas control system
10/1981
10/15/1981WO1981002848A1 Vapor delivery control system and method
10/13/1981US4294549 Mixing apparatus
08/1981
08/26/1981EP0034534A1 Device for feeding fuel and controlling the viscosity of that fuel
07/1981
07/21/1981US4279267 Fluid flow proportioning device
07/09/1981WO1981001803A1 A method and apparatus for mixing liquids
07/07/1981US4277254 Control system and apparatus for producing compatible mixtures of fuel gases
06/1981
06/30/1981US4276243 Vapor delivery control system and method
06/30/1981US4276001 Fluid pump assembly
06/30/1981US4275822 Apparatus for metering at least two reaction components into a mixing chamber
06/30/1981US4275752 Fluid flow apparatus and method
06/16/1981CA1103287A1 Method and apparatus for pneumatically charging a scale with flowable materials
06/10/1981EP0030049A1 A device for distributing two fluids in a constant ratio and regulating the flow of the fluids
06/10/1981EP0029979A1 Dosing device
06/09/1981US4272824 Batch product preparation
06/09/1981US4272823 Control system for a reactor
05/1981
05/06/1981EP0028023A1 Apparatus and method for controlling the reactor temperature profile and the reactants feed stream
05/06/1981EP0027892A2 Process and apparatus for producing a free-flowing reaction mixture out of at least two reaction components
05/05/1981US4265858 Metering and mixing apparatus for multiple component
05/05/1981US4265266 Controlled additive metering system
04/1981
04/21/1981US4262686 Apparatus for the electrically controlled proportioning and mixing of gases
04/01/1981EP0025782A1 Device for measuring a certain amount of liquid
03/1981
03/31/1981CA1098605A1 Closed-loop air-fuel mixture control apparatus for internal combustion engines with means for minimizing voltage swing during transient engine operating conditions
03/24/1981US4257440 Injection pump for sprinkler systems
03/17/1981US4256440 Liquid dosing apparatus
03/10/1981US4254790 Pressure control unit for the control of the pressure of at least one gas depending on the pressure of another gas
03/10/1981US4254789 Apparatus for mixing media, such as gases or liquids
02/1981
02/24/1981US4252139 Method and apparatus for automatically mixing a solution having a specified concentration
02/24/1981CA1096465A1 Pulse generator
02/17/1981US4250908 Flow control device
02/10/1981CA1095209A1 Extrusion control
02/03/1981CA1094995A1 Apparatus for transferring metered quantities of material from one location to another
01/1981
01/27/1981US4246922 Fluid flow control apparatus
01/21/1981EP0022505A1 Apparatus for proportioning two-component materials
01/20/1981CA1093825A1 Flow and pressure compensating liquid metering and mixing system
01/20/1981CA1093824A1 Metering device
01/13/1981US4244494 Method for inserting an additive liquid into a flowing fluid and discharging the resultant mixture
12/1980
12/30/1980US4241749 Pressure compensating valve
12/30/1980CA1092359A1 Chemical injection assembly
12/16/1980US4239182 Diaphragm movable wall assembly for hydraulic systems
12/10/1980EP0020309A1 Liquid additive metering device
12/09/1980US4237925 Anesthesia apparatus
12/02/1980US4236546 Electronic breathing mixture control
11/1980
11/26/1980EP0019579A1 Blending device
11/18/1980US4234007 Automatic liquid flow control device
11/11/1980US4232700 Metering device
11/11/1980CA1089556A2 Vehicular single shaft gas turbine engine power system
11/04/1980US4231723 Metering and conveyor arrangement
11/04/1980CA1088751A1 Process and apparatus for blending fluids to maintain concentration of one below a predetermined maximum
10/1980
10/28/1980CA1088649A2 Diesel engine control means
10/21/1980US4228924 Mixture metering machine
10/21/1980US4228815 Measurement and control of multicomponent liquid systems
10/21/1980US4228683 Method of determining liquid flow in a conduit
10/16/1980WO1980002205A1 Device for measuring a certain amount of liquid
10/15/1980EP0017408A1 Apparatus for mixing fluids comprising fluid-flow restricting device
10/15/1980EP0017308A1 Process and apparatus for metering, controlling and blending liquid flows
10/01/1980EP0016613A1 Method and apparatus for mixing or blending of slurries
09/1980
09/30/1980US4225248 Device for mixing and metering the contents of containers, particularly for paints, dyes and the like, and shelf or shelving adopting such a device
09/30/1980US4224956 Adjustable proportioning valve
09/16/1980US4222498 Control system for aggregate delivery system
08/1980
08/26/1980US4219038 Gas mixing device for breath-protecting, diving, medical and laboratory techniques
08/26/1980CA1084611A1 Air/fuel ratio control system for internal combustion engine having compensation means for variation in output characteristics of exhaust sensor
08/05/1980US4215573 Fluid metering device
07/1980
07/29/1980CA1082565A1 Water flow and control system
07/01/1980US4210175 Chemical injection assembly
06/1980
06/24/1980US4209258 Automatic continuous mixer apparatus
06/11/1980EP0011885A1 A control method and device for the preparation of foam material
06/10/1980USRE30301 Beverage mixing and dispensing apparatus
05/1980
05/28/1980EP0011530A1 Electrochemical sensor of relative concentrations of reactive substances in a fluid mixture, manufacturing process of the sensor and a system comprising such a sensor, especially for control
05/27/1980US4204773 Mixing means
05/27/1980US4204554 Fluid control means
05/27/1980CA1078188A1 Volatile liquid supply equipment and processes and apparatus for introducing volatile cross-linking agents into polyolefin compounds and for the extrusion of cross-linkage polyolefin compounds
05/13/1980US4202370 Apparatus for use in generating liquid concentration gradients hydrostatically
04/1980
04/22/1980US4198860 Method and apparatus for measuring particulate matter flow rate
04/16/1980EP0009520A1 Emulsifying system and method for mixing accurate quantities of two or more liquids
04/15/1980US4197868 Flow control system and control method for parallel flow process equipment
04/15/1980CA1075682A1 Control of chemical reaction
04/15/1980CA1075489A1 Measurement and control of multicomponent liquid systems
04/08/1980CA1075127A1 Additive metering system using a centrifugal pump
04/01/1980US4195527 Method of and apparatus for producing a foam-forming reaction mixture
03/1980
03/25/1980CA1074119A2 Feeder for apparatus for ejecting a mixture of a plurality of liquids
03/18/1980US4193516 Liquid proportioner for mixing two liquids in a predetermined ratio
02/1980
02/26/1980US4190372 Apparatus for treatment of sludge deposit
02/26/1980CA1072415A1 Gas mixing apparatus
02/19/1980US4188967 Method of generating liquid concentration gradients hydrostatically
02/12/1980US4187958 Flow proportional conveyor drive system
02/05/1980US4186849 Control circuit for automatically monitoring, dispensing, and filling a liquid in a container
01/1980
01/23/1980EP0007109A1 Apparatus for metering a solution of chemicals to a stream of liquid
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