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Class Information
Number: 137/870
Name: Fluid handling > Systems > With flow control means for branched passages > With common valve operator > With electrical actuation
Description: System wherein the coordinating means includes means utilizing electrical energy to effect actuation of a flow control means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4368759 |
Electromagnetic flow control valve unit |
Jan. 18, 1983 |
| 4338966 |
Direct solenoid operated directional control valve |
Jul. 13, 1982 |
| 4285363 |
Control valve construction |
Aug. 25, 1981 |
| 4281682 |
Proportional control type remote-control direction switching control valve device |
Aug. 4, 1981 |
| 4269229 |
Solar heat system |
May. 26, 1981 |
| 4259985 |
Three-way solenoid-operated pinch valve assembly |
Apr. 7, 1981 |
| 4250924 |
Electromagnetic control valve assembly |
Feb. 17, 1981 |
| 4237923 |
Solenoid non return valve |
Dec. 9, 1980 |
| 4230151 |
Pinch valve |
Oct. 28, 1980 |
| 4223698 |
Solenoid operated bipropellant valve |
Sep. 23, 1980 |
| 4191215 |
Digital fluid flow rate controller |
Mar. 4, 1980 |
| 4181154 |
Deflector valve for fluids |
Jan. 1, 1980 |
| 4177774 |
Control valves |
Dec. 11, 1979 |
| 4151860 |
Electromagnetically actuated hydraulic control valve |
May. 1, 1979 |
| 4082117 |
Manually operated lawn sprinkling or irrigating system |
Apr. 4, 1978 |
| 4038817 |
Fuel jettison system |
Aug. 2, 1977 |
| 3996964 |
Control apparatus particularly for a plurality of compressor bleed valves of a gas turbine engine |
Dec. 14, 1976 |
| 3991788 |
Fluid flow distributor for multi-choice vending machine |
Nov. 16, 1976 |
| 3982562 |
Pressure control apparatus |
Sep. 28, 1976 |
| 3972349 |
Variable ratio bypass gas turbine engine with flow diverter |
Aug. 3, 1976 |
| 3948286 |
Rotary valve for an oxygen generator |
Apr. 6, 1976 |
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