Matches 1 - 47 out of 47


Match Document Document Title
8851862 Oil sand slurry transportation system and method for variable slurry flow rates  
Provided is a system for transporting an oil sand slurry, comprising a pump, upstream and downstream lines, a shaft connectable to the pump, a driving mechanism driving the pump and a regulator...
8562308 Regenerative hydraulic lift system  
A hydraulic cylinder assembly for a fluid pump including a cylinder, a bearing attached to an approximate first end of the cylinder, a rod slideably mounted within the bearing, and a piston...
8241010 Hydraulic reservoir for hydraulic regenerative circuit  
A hydraulic reservoir includes a container having an internal volume, an internal wall dividing the internal volume of the container into a first section and a second section for separately...
8182240 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange  
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a...
8132868 Hydraulic regenerative braking system for a vehicle  
A hydraulic regenerative braking system and method for a vehicle include a variable displacement hydraulic machine operable as a pump or a motor (22). The hydraulic machine facilitates connections...
8087904 Hybrid hydraulic-electric RAM pumping unit with downstroke energy recovery  
A hybrid hydraulic-electric pumping unit (12) with downstroke energy recovery is disclosed which is operated in a conventional flow mode to supply hydraulic fluid to a hydraulic ram (26), and then...
8011896 Fan system  
A fan system is electrically connected with a driving source generator and includes a first fan, a second fan and an energy storage element. The second fan is rotated by the first fan for...
7955058 Reciprocating piston to piston energy pump  
This invention is a reciprocating piston to piston device that can function 1) to increase or decrease pressure in a hydraulic or pneumatic system with minimal energy loss or 2) as a hydraulic or...
7821215 Pump controller system and method  
Embodiments of the invention provide a method of detecting a fault condition in a motor of a pump. The method includes sensing a first current value and a speed of the motor, attempting a recovery...
7753659 Axial cam air motor  
A motor assembly including a body that includes a plurality of cylinders and a plurality of air channels and a conical shaped piston slidably coupled within each of said plurality of cylinders....
7727176 Machine for extracorporeal blood treatment coupled to a support element  
The invention relates to support element (4) comprising a main body (6) having a front wall (25) and a peripheral wall (32) projecting away from the front wall. The front wall and the peripheral...
7347673 Fluid machine served as expansion device and compression device  
A fluid machine is served as an expansion device and a compression device. The fluid machine compresses gas in an operation chamber upon functioning as the compression device. The fluid machine...
6926814 Automatable measuring, cleaning and calibration device for pH-electrodes or electrodes for measuring redox potentials  
An automatable measuring, cleaning and calibrating device for pH-electrodes or electrodes for measuring redox potentials, specifically in process engineering, having an electrode armature which...
6406270 Fuel tank and belt guard arrangement for compressor  
An air compressor includes a fuel tank at least partially supported by the air compressor guard, allowing for a larger fuel tank and eliminating the need for a separate fuel tank support. The air...
5947697 Monoblock gas compressor for pressurized gas  
A monoblock gas compressor for use in compressing gas having a supply pressure greater than the atmospheric pressure is provided. The compressor includes a compressor head mounted to a cylinder...
5400751 Monoblock internal combustion engine with air compressor components  
Monoblock engine/air compressor combinations, particularly those providing high pressure gas, experience problems in lubricating the piston pins connecting the compressor piston assemblies to the...
5230609 Air brake system for a vehicle  
An air brake system for a vehicle including a valve disposed between a fuel tank and a fuel pump and a cylinder of an engine for switching fuel flow from the fuel pump to either the fuel tank or...
5090867 Rotating fluid machine for reversible operation from turbine to pump and vice-versa  
A rotating fluid machine for reversible operation from turbine to pump and from pump to turbine having a simple structure which allows for easy manipulation when reversing operation, and having a...
4781104 Rotary fluid energy translation device  
A rotary fluid energy converter which can be used either as a hydraulic pump or as a motor, can recover energy with high efficiency. The converter has a spring for biasing a pintle, which supports...
4700663 Air compressor  
A novel air compressor utilizing a simple modification of an opposing 4 cylinder air cooled Volkswagen internal combustion engine.
4631000 Variable displacement hydraulic pressure intensifier  
A hydraulic pressure intensifier for boosting normal system pressure in a hydraulic system to a higher level in order to increase the force provided by a pressure-operated actuator. The hydraulic...
4536132 Gas compressor  
A gas compressor drivably connected to an engine operates to supply compressed gas to a tank. The compressor has a housing including a commercial air cooled internal combustion engine block and...
4463554 Method of generating gas pressure in an internal combustion engine, and apparatus for carrying out this method  
In an internal combustion engine a rotary gas motor, driven by the intake gas of the engine, drives pump providing secondary air to the engine exhaust at low engine load, and at high load a clutch...
4349320 Piston compressor derived from a reciprocating thermal engine  
A compressor of the piston-type enclosed in a sealed housing. The specific cylinder head of the compressor is completed by an assembly of mass-produced internal combustion engine parts and the...
4255090 Manufacture of powered air compressors  
The conversion of a multi-cylinder liquid cooled internal combustion engine into a powered air compressor by placing inserts into parts of the cylinder head above certain of the cylinders after...
4209998 Air source heat pump with displacement doubling through multiple slide rotary screw compressor/expander unit  
A closed loop refrigeration system such as an air source heat pump includes a hermetic screw compressor and a helical screw rotary expander connected to an electric induction drive motor. The...
4205945 Unitized fluid delivery system and method of operating same  
A centrifugal boost pump, a primary centrifugal pump and a dynamic machine are driven through a common drive shaft. At low speeds, such as during pump start-up, the elements are in the...
3963379 Convertible engine-air compressor apparatus for driving a vehicle  
A vehicle is provided with an engine which is adapted to serve as an air compressor. Air supply apparatus is provided for interrupting the supply of fuel to the engine and for supplying air to the...
3890064 Reciprocating transfer pump  
A reversible reciprocating motor pump for transferring energy from one hydraulic system to another. The motor pump includes a pair of similar hydraulic cylinders connected back to back and...
3815965 AIR COMPRESSOR HOUSINGS  
A portable air compressor housing including a main, open frame adapted to support an air compressor for movement over the ground surface via wheels suspended from the frame. The air compressor...
3771921 REACTOR AIR PUMP DRIVE SYSTEM  
A reactor air pump drive system in which the air pump of a vehicle air injection exhaust reactor system is normally driven during engine operation by a hydraulic motor actuated by hydraulic fluid...
3758225 HYDRAULIC PUMP-TURBINE  
A hydraulic pump-turbine in which the blades of the guiding apparatus during turbine operation are arranged in a holder which during pump operation rotates at a higher speed than the number of...
3664366 FLUID PRESSURE REGULATING DEVICE  
A regulating device for adjusting the pressure and/or volume of a body of gas or liquid relative to an ambient or exterior gas or liquid. The regulating device has particular application in marine...
3643433 HYDRAULIC APPARATUS WITH INTERCONNECTED HYDRAULIC UNITS  
Two hydraulic units, each operable as a pump or motor, are mechanically connected by a coupling transmission which can be engaged and disengaged. Valves are hydraulically connected to the units,...
3640069 OIL-PRESSURE-CONTROLLING DEVICE FOR BIG INERTIAL LOAD  
Cavitation and stalling of a hydraulic motor coupled to a large inertial load is prevented by a self-operating valve sensitive to applied oil pressure and the pressure of oil returned to the sump...
3614268 HYDRO-ELECTRIC INSTALLATION  
A hydroelectric installation, comprising a hydraulic machine, such as a turbine, pump or pump turbine, wherein the rotor is coupled to the shaft of a synchronous alternating current electrical...
3561889 OUTBOARD MOTOR PUMP  
3556678 METHOD AND APPARATUS FOR LOW FREQUENCY SYNCHRONOUS STARTING OF REVERSIBLE PUMP TURBINES  
3431857 CONTROLS FOR OVERCENTER MOTOR-PUMP UNIT  
3426523 ENGINE WITH COMPRESSION BRAKING SYSTEM  
3365014 Combination vehicle engine and self-powered air compressor  
3283726 Construction for pump/motor devices  
3192859 Fluid transmission and control  
3106057 Hydraulic starting system having a source with a decaying pressure characteristic  
3043234 Opposed-rotor radial piston motor, pump and power generator  
2935167 Emergency vacuum system  
2884862 Outboard motor pump attachment  

Matches 1 - 47 out of 47