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| Number | Title | Issue Date |
| 6772629 | Diaphragm gas meter tangent assembly utilizing a cam for stroke adjustment An adjustable tangent assembly for a positive displacement diaphragm gas meter is provided with a cam on the stroke adjuster. Use of the cam results in a linear relationship between angular movement of the stroke adjuster and the stroke adjustment. ... | 08/10/2004 |
| 5248442 | Method and apparatus for measuring shade of hydrocyclone underflow A method and means for measuring a characteristic, in particular one associated with particle size, of any of the feed, underflow or overflow streams of a hydrocyclone is provided. Information as to the flowrate and density of the feed stream as well as t... | 09/28/1993 |
| 5132024 | Hydro-cyclone underflow monitor based on underflow slurry stream shape A method is disclosed of controlling the operation of a hydro-cyclone or a circuit embodying same. The method involves the measurement of a variable associated with the shape of the slurry underflow emanating from the hydro-cyclone outlet. The variable is... | 07/21/1992 |
| 4747306 | Temperature compensating tangent assembly for a diaphragm gas meter A temperature compensating tangent assembly for a diaphragm gas meter wherein the movement of the tangent wrist is controlled to be other than linearly radial in order to maintain the timing of the valves.... | 05/31/1988 |
| 4674316 | Calibration system for mechanical gas volume corrector A calibration system for a mechanical gas volume corrector which has a first shaft turned at a rate corresponding to the otherwise uncorrected volumetric flow rate through the meter, a second shaft, a variable ratio transmission coupled between the first ... | 06/23/1987 |
| 4538458 | Temperature compensated gas meters A temperature compensator for gas meters is comprised of two serially connected bi-metallic elements extending between the tangent post and the drive shaft from the flow responsive element. The bimetallic elements are reversely oriented whereby each eleme... | 09/03/1985 |
| 4520676 | Adjustable tangent assembly for a diaphragm gas meter An adjustable tangent assembly for a positive displacement diaphragm gas meter is provided with a pair of concentric face gears coaxial with the axis of rotation of the crank shaft and accessible through a small plug hole in the meter cover. An adjusting ... | 06/04/1985 |
| 4091668 | Diaphragm type gas meter In a diaphragm type gas meter, one crank plate pivotally mounting a pair of diaphragm movement transmission levers and the other crank plate pivotally mounting a pair of valve actuating levers overlap each other rockably around the central axis of a crank... | 05/30/1978 |
| 4040296 | Gas meter temperature compensating tangents A gas meter temperature compensating tangent device having a tangent block to which is adjustably connected a tangent arm for journaling a crankshaft. The tangent block has a guideway formed in alignment with the axial line of the tangent arm. A plurality... | 08/09/1977 |
