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Class Information
Number: 406/14
Name: Conveyors: fluid current > With means to control conveying fluid or movement of load in response to sensed condition > Control of conveying fluid > Responsive to velocity or pressure change in conveying fluid
Description: Subject matter wherein the controller is regulated by a sensor which either detects changes in the speed of the conveying fluid current or detects variations in conveying fluid pressure.










Sub-classes under this class:

Class Number Class Name Patents
406/15 To initiate or terminate fluid current 19


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4473326 Method of controlling delivery conditions in a pneumatic conveyor line, and mill pneumatics for implementing this method Sep. 25, 1984
4420279 Pressure impulse dense phase conveying apparatus and method Dec. 13, 1983
4402635 Pneumatic conveyor system Sep. 6, 1983
4391860 Device for the controlled feeding of powder material Jul. 5, 1983
4381898 Device for the controlled feeding of powder material May. 3, 1983
4373838 Vacuum sewage transport system Feb. 15, 1983
4368678 Injection of pulverized material into a pressurized furnace Jan. 18, 1983
4362441 Means and apparatus for throttling a dry pulverized solid material pump Dec. 7, 1982
4334370 Method of transporting flowable media of changing consistencies Jun. 15, 1982
4327055 Continuous catalyst unloading device Apr. 27, 1982
4318643 Apparatus for conveying waste materials by suction Mar. 9, 1982
4284032 Pneumatic conveyor of adjustable conveyance capacity for powdered to granular bulk material Aug. 18, 1981
4279549 Method and apparatus of self-regulation for a pneumatic conveyor Jul. 21, 1981
4231686 Control system of apparatus for transporting slurry Nov. 4, 1980
4143922 Method of multiple point injection for slurry pipelines Mar. 13, 1979
4017269 Method and arrangement for gasifying finely divided fluidized solid combustible material Apr. 12, 1977
4014577 Pneumatic conveying systems Mar. 29, 1977
3989310 Proportioning device Nov. 2, 1976
3976332 Powder feed device for flame spray guns Aug. 24, 1976
3940184 Methods and systems for hydraulically transporting solids Feb. 24, 1976
3931999 Apparatus for hydraulically transporting solids Jan. 13, 1976

1 2 3










 
 
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