A large volume pumping method and apparatus comprising an economical thermal-gravity pumping system which is non-polluting, and employs relatively free and limitless, generally available, sources of energy input. The invention is particularly useful i...
A Francis runner and a method for manufacture the same are provided in which the openings or notches are formed in the shroud ring in each water passage between the adjacent blades and in spaced apart relation therewith in order to facilitate the fini...
REDSKIN ENG CO,US
A rotary engine for use as a fluid pump or motor, gas compressor or vacuum pump, or internal combustion engine with improved performance and reduced exhaust emissions as compared to conventional engines. The rotary engine provides a cycle of alternate...
The gain factor of the transfer function between the angle of the rotor blades and the efficiency of a water turbine is identified, and by means of an extreme value regulator and adjustment of the rotor blade angle, the gain factor is adjusted to zero...
TEXACO DEV CORP,US
A method of heating a fluid which can be, for example, molten sodium, in a dry geothermal reservoir formation penetrated by an injection well and a production well comprising injecting the said fluid into the formation via the injection well, forcing ...
A water turbine runner comprising a plurality of blades coaxially fixed to one axis each of said blades is composed of an iron-based material, wherein each blade is provided with a smooth surface weld metal on the surface where erosion due to cavitati...
A fluid power operator for generating a rotary output torque. A pair of fixed, linear piston rods is located in a parallel spaced disposition to extend between and through a pair of housing end walls. Two fixed pistons are individually fixed to a midp...
A circuit breaker operating mechanism characterized by a crank shaft, a closing spring connected to the crank shaft, motor-operating structure for driving the crank shaft to charge the closing spring, a ratchet wheel mounted on the crank shaft, a reci...
ROCKWELL INT CORP,US
Apparatus and methods of operation are disclosed for combining high-energy primary flow fluid (normally a gaseous medium obtained from an aircraft system primary power plant or engine) and induced secondary flow fluid (ambient air) in the essentially ...
A sliding vane rotary fluid motor including a rotor cylinder shiftable laterally of the axis of rotation of the rotor between a first position generally concentric with the rotor axis and a second position eccentrically disposed relative to the rotor ...