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Engineering
Class Information
Number:
137/42
Name:
Fluid handling
>
Control by change of position or inertia of system
>
Position relative body of water (e.g., marine governors)
> Pressure or head controlled
Description:
Apparatus which includes means to sense the pressure or head of the body of water in which the system exists.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6164922
Flow control valve for a pump for conveying a medium
Dec. 26, 2000
6085779
Draining gutter
Jul. 11, 2000
5819328
Hydrostatic drain plug
Oct. 13, 1998
4125129
Fixed and variable resistance fluid throttling apparatus
Nov. 14, 1978
4121771
Drip irrigation emitter
Oct. 24, 1978
4120033
Apparatus and method for determining pumping system head curves
Oct. 10, 1978
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