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Document |
Document Title |
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7946832 |
Dual chamber mixing pump
A dual chamber mixing pump is disclosed with two pump chambers. The chambers are defined in part by a piston having proximal and distal ends and recessed sections disposed at both ends. The pump...
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7748664 |
High performance synthetic valve/pulsator
A system and method for actively manipulating fluid flow over a surface using synthetic pulsators. Synthetic pulsators produce pulsed jet operable to manipulate the primary fluid flow proximate to...
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7648349 |
Nutating pump with reduced pulsations in output flow
A nutating pump is disclosed which has a modified piston and housing or casing that provides two distinct pump chambers or areas. Output from the first pump chamber is delivered during a first half...
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7544051 |
Cam-driven fluid pump
A pressurisation pump is provided comprising a first plunger and a second plunger, each plunger being reciprocable within a respective plunger bore defined by a housing, wherein the first and...
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7048516 |
High pressure fuel pump with multiple radial plungers
A fuel pump for supplying fuel at high fuel pressures includes a stationary body having a plurality of radial cylinders connecting with a central fuel chamber. Inlet and outlet passages communicate...
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6976831 |
Transmissionless variable output pumping unit
A transmissionless variable output pumping unit comprising a multiple crankshaft pump driven by a prime mover. The apparatus includes an adjustment mechanism for adjusting a phase angle between...
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6280160 |
Distributor-type fuel injection pump
A fuel injection pump of the distributor type which has a reciprocatingly driven pump piston that is load-bearing in a rotating distributor shaft which pumps fuel out of a pump work chamber to...
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6132187 |
Flex-actuated bistable dome pump
A liquid/gas pump includes a stainless steel strip of uniform width that is encased within a flexible and liquid/gas impermeable plastic tube whose inner diameter is only somewhat less than the...
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5934889 |
Pump driven by cam having the cylinder supported by the cam shaft
A pump for performing suction and discharge of a liquid, including: a cylinder supported at at least a first support point and a second support point; a piston slidably disposed in the cylinder and...
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5769616 |
Submerged pump with coaxial opposing pistons, driven by double lobed camshaft
The submerged pump according to the present invention comprises one or more modular pumping groups, each consisting of a balanced, coaxial and opposing piston couple 7 on spool wheels 10 and with a...
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5746584 |
Inner cam type fuel injection pump having modified plungers
In an inner cam type injection pump, the side surface of the protruding portion of each of the plungers facing the compression space is formed in a projecting shape in the area where the plunger...
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5542827 |
Multiple nested pistons hand priming pump with spring biasing
A multiple piston hand priming pump includes a plurality of nested pistons engaged within a hollow cylindrical housing. One end of the housing has an inlet/outlet fitting leading to a pumping...
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4940035 |
Variable flow rate pump for fluid
The pump of the invention has application as a fuel pump for delivering fuel over a range of flow rates to an internal combustion engine. The pump may however be employed in many other...
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4712985 |
Diesel engine fuel injection pump capable of injection timing adjustment
A plunger assembly within a barrel is transversely split into two segments, with a timing fluid chamber therebetween for controllably varying the distance between the plunger segments in response...
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4662825 |
Hydraulic pump
A supply pump for continuously supplying pressurized fuel to an accumulator-type injector system employs an electrically controlled metering valve for regulating the supply of fuel to the pump...
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4553903 |
Two-stage rotary compressor
A two-stage rotary compressor makes use of a piston-vane arrangement where both stages are built end to end and where the same members (piston-vanes) work for both stages, the "axial pistons" of...
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4473339 |
Liquid pump
A liquid pump comprises two flexible impulsion members disposed in series between inlet and outlet openings of the pump casing. The members are engageable with sealing means to form an intermediate...
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4378962 |
Liquid fuel injection pumping apparatus
A liquid fuel injection pumping apparatus has a rotary distributor member in which is formed at least two bores which intersect and contain plungers. The plungers are moved inwardly by a cam and...
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4311441 |
Positive displacement device
A fluid displacement device is described which may be used as a pump, a motor or a device such as a vibrator for concrete. It includes a body having at least three, and preferably four or five wall...
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4158530 |
Pumping apparatus comprising two collapsible chambers
A pump having two collapsible pumping chambers connected in series is coupled to a pump drive mechanism which opens and closes each chamber in a sequence that produces pumping action.
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4139336 |
Expansible chamber apparatus with pairs of cylindrical rollers
An apparatus having an alternately expanding and contracting chamber comprises at least one pair of cylindrical rollers each having an exterior surface in continuous rolling engagement with the...
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3838948 |
DOUBLE ACTING PUMP
A pump for pumping a plurality of fluids simultaneously each section of the pump employing pistons and cylinders in pairs with the piston simultaneously moving in opposite directions so that the...
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3704080 |
FLUID ENGINE
A fluid engine for the transfer of energy between a rotating shaft and a fluid flowing at a constant velocity relative to the angular velocity of the shaft, consisting of a plurality of...
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3506381 |
LIQUID FUEL PUMPING APPARATUS FOR SUPPLYING FUEL TO INTERNAL COMBUSTION ENGINES
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3560114 |
PUMP
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RE01146 |
Title is not available
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3664772 |
FLUID PUMP
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3470821 |
DOUBLE PISTON DIFFERENTIAL TYPE PUMP
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3415059 |
Apparatus for generating fluid pulses
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3407746 |
High pressure piston pump
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3370539 |
Double injection pump for internal combustion engines
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3267861 |
Fuel injection pumps comprising a distributing valve for use with five cylinders intenal combustion engines
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3215081 |
Pump
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3200759 |
Frictionless piston pump
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3168042 |
Pumps, and in particular fuel injection pumps having opposed pistons and a rotary distributing valve element
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3131604 |
Hydraulic motor or pump
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3081708 |
Rotary motor or pump
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3058430 |
Pump for concrete and mortar mixtures and the like
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3029743 |
Ceramic diaphragm pump
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3006283 |
Hydraulic transducer
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2938509 |
Mixers for two liquids, such as those for supplying engines with a mixture of fuel and lubricant
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2937523 |
Fluid flow generators
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2928351 |
Metering pump
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