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Showing papers on "Volume of fluid method published in 1977"


Patent
23 Sep 1977
TL;DR: In this paper, the ratio of the turbine speed to the impeller speed can be controlled by controlling the volume of fluid circulating between impeller and turbine by shutting off the supply of fluid to the valve.
Abstract: The hydraulic coupling has an input shaft (10) driving an impeller (1) which imparts energy to the fluid which in turn drives the turbine. The ratio of the turbine speed to the impeller speed can be controlled by controlling the volume of fluid circulating between impeller and turbine. The volume of fluid is controlled by a number of valves (12) which are normally held closed by fluid supplied from the valve (8). By shutting off the supply of fluid to the valve (12) the internal pressure opens the valve and partially drains the coupling of fluid. The number of speed ratios of the coupling is one greater than the number of valves (12).

Patent
07 Feb 1977
TL;DR: In this paper, a cylindrical chamber with a tangential inlet is constructed to induce vortical fluid motion, and a ball having a specific gravity different from that of fluid is adapted to block an outlet which is disposed at the vertex of a cone-like surface disposed at one end of the chamber.
Abstract: A device for discharging a constant volume of fluid which is relatively simple in construction and requires little space. The device comprises a cylindrical chamber with a tangential inlet to induce vortical fluid motion. Within the chamber is a ball having a specific gravity different from that of fluid and adapted to block an outlet which is disposed at the vertex of a cone-like surface disposed at one end of the chamber. When displaced from the outlet by a suitable mechanism, a combination of fluid and gravitational forces cause the ball to follow a spiral path and return to block the outlet, having discharged a certain amount of fluid. Two embodiments are described utilizing a ball having a specific gravity greater than, and less than, that of the fluid.