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Class Information
Number: 406/27
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 movement of gate to initiate or terminate fluid current > To closure of intake gate to initiate fluid current
Description: Subject matter wherein the sensor detects movement of a gate at the inlet* to its closed position and activates the controller to start the conveying fluid current.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591613 |
Method and apparatus for transporting a substrate using non-newtonian fluid |
Sep. 22, 2009 |
| 7416370 |
Method and apparatus for transporting a substrate using non-Newtonian fluid |
Aug. 26, 2008 |
| 6715638 |
Pneumatic mail delivery system |
Apr. 6, 2004 |
| 6474912 |
Pneumatic mail delivery system |
Nov. 5, 2002 |
| 6447216 |
Fluid pumping system for particulate material |
Sep. 10, 2002 |
| 4697962 |
Control system for a continuous process venturi accelerated pneumatic pump |
Oct. 6, 1987 |
| 4462721 |
Visual customer terminal construction for pneumatic tube banking system |
Jul. 31, 1984 |
| 4352603 |
Pneumatic tube system teller terminal construction |
Oct. 5, 1982 |
| 4343574 |
Pneumatic tube system customer terminal construction |
Aug. 10, 1982 |
| 4049321 |
Waste collection systems |
Sep. 20, 1977 |
| 3941426 |
Apparatus for handling flowable material |
Mar. 2, 1976 |
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