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Class Information
Number: 700/282
Name: Data processing: generic control systems or specific applications > Specific application, apparatus or process > Mechanical control system > Flow control (e.g., valve or pump control)
Description: Subject matter comprising means for regulating (e.g., diversion, cutoff, modulation) the passage or the flow capacity of a fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4891464 |
Control method for oxygen addition to oxidative reheat zone of hydrocarbon conversion process |
Jan. 2, 1990 |
| 4882781 |
Method for predicting steady-state conditions |
Nov. 21, 1989 |
| 4879901 |
System for evaluating the condition and performance of a valve and valve operator combination |
Nov. 14, 1989 |
| 4879662 |
Fluid flow self calibration scheme |
Nov. 7, 1989 |
| 4875178 |
Method to control the discharge of effluent |
Oct. 17, 1989 |
| 4873650 |
Water flow controller |
Oct. 10, 1989 |
| 4866633 |
Gas shutoff apparatus |
Sep. 12, 1989 |
| 4858172 |
Sealant flow control for robotic applications |
Aug. 15, 1989 |
| 4848301 |
Fuel feed quantity control system for internal combustion engine |
Jul. 18, 1989 |
| 4847790 |
Pressure-controlling apparatus employed in pre-chamber of environmental testing chamber for self-propelled vehicle |
Jul. 11, 1989 |
| 4839790 |
Gas accident preventive unit |
Jun. 13, 1989 |
| 4835687 |
Method for optimized management of a system of pipelines and a pipeline system realization in accordance with said method |
May. 30, 1989 |
| 4825380 |
Molecular weight determination for constraint control of a compressor |
Apr. 25, 1989 |
| 4819183 |
Aircraft fuel loading management system |
Apr. 4, 1989 |
| 4817008 |
Method of regulating a cement manufacturing installation |
Mar. 28, 1989 |
| 4816987 |
Microprocessor-based control and diagnostic system for motor operated valves |
Mar. 28, 1989 |
| 4807150 |
Constraint control for a compressor system |
Feb. 21, 1989 |
| 4805118 |
Monitor and control for a multi-pump system |
Feb. 14, 1989 |
| 4790233 |
Method and apparatus for controlling hydraulic systems |
Dec. 13, 1988 |
| 4781324 |
Preheat temperature balancing control |
Nov. 1, 1988 |
| 4777383 |
Electrically controlled variable pressure pneumatic circuit |
Oct. 11, 1988 |
| 4773375 |
Electronic fuel control method and apparatus for fuel injection engines |
Sep. 27, 1988 |
| 4763626 |
Feedback fuel metering control system |
Aug. 16, 1988 |
| 4747912 |
Cracking furnace control |
May. 31, 1988 |
| 4725964 |
Computer controlled adapter unit for fluid system control |
Feb. 16, 1988 |
| 4721448 |
Pelletizer with moisture control system |
Jan. 26, 1988 |
| 4720807 |
Adaptive pressure control system |
Jan. 19, 1988 |
| 4713765 |
Control system for an engine having an air intake passage |
Dec. 15, 1987 |
| 4694409 |
Microprocessor based air inflation control system |
Sep. 15, 1987 |
| 4694390 |
Microprocessor-based control and diagnostic system for motor operated valves |
Sep. 15, 1987 |
| 4683539 |
Fuel control system for internal combustion engine |
Jul. 28, 1987 |
| 4682166 |
Set point change-over circuit for fluid control valves |
Jul. 21, 1987 |
| 4679151 |
Control for a limiting device |
Jul. 7, 1987 |
| 4676870 |
Automatic control of a multiple-effect evaporator |
Jun. 30, 1987 |
| 4664090 |
Air flow measuring system for internal combustion engines |
May. 12, 1987 |
| 4663977 |
Sonic measurement of gas flow |
May. 12, 1987 |
| 4660422 |
Means and method of sampling flow related variables from a waterway in an accurate manner using a programmable calculator |
Apr. 28, 1987 |
| 4660607 |
Sensor controlled sampling apparatus and method |
Apr. 28, 1987 |
| 4642766 |
Method and means of control for multi-source feedstock distribution system including optimization of supplies |
Feb. 10, 1987 |
| 4638444 |
Microprocessor-controlled back-pressure system for small volume chemical analysis applications |
Jan. 20, 1987 |
| 4628499 |
Linear servoactuator with integrated transformer position sensor |
Dec. 9, 1986 |
| 4624746 |
Process for controlling distillation column |
Nov. 25, 1986 |
| 4617092 |
Process for controlling a distillation column |
Oct. 14, 1986 |
| 4617637 |
Servo control system for a reciprocating piston respirator |
Oct. 14, 1986 |
| 4598669 |
Control of a system for supplying heat |
Jul. 8, 1986 |
| 4599694 |
Hybrid airflow measurement |
Jul. 8, 1986 |
| 4595342 |
Device for the control of a fluid pressure of a turbomachine engine and support for a pressure pick-off |
Jun. 17, 1986 |
| 4590576 |
Control system for flow control valves |
May. 20, 1986 |
| 4586126 |
Feed rate control |
Apr. 29, 1986 |
| 4577280 |
Control system for fluid flow distribution |
Mar. 18, 1986 |
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