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Patent No. 6351867

Body squeegee

A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.

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Class 417/391 - Motor discharge into or upstream of pumping chamber


Subclass of Class 417 - Pumps
Definition: Apparatus in which the pump is of the type having an expansible
No. of patents: 23
Last issue date: 08/14/2007


NumberTitleIssue Date
7255544Housing including shock valves for use in a gerotor motor
A housing for a motor having fluid passages integrated within. The passages include a first passage for receiving a fluid from outside the motor, a second passage for directing the fluid away from the motor, and at least one other passage from conveying the fluid to...
08/14/2007
7003838Hydraulic pig advance system comprising a control volume chamber containing hydraulic fluid and a force transmitting member
This invention relates to a hydraulic pig advance system comprising a control volume chamber containing hydraulic fluid and a force transmitting member. The system further comprises two directional control valves which can be selectively repositioned to cause hydrau...
02/28/2006
6948917Valving system for a downhole hydraulically actuated pump
An engine for actuating a hydraulic downhole pump having a piston vertically reciprocated in a cylinder includes a reversing valve carried with the power piston and serving, when in a first position, to direct fluid flow to force the piston upwardly and in a second ...
09/27/2005
6185956Single rotor expressor as two-phase flow throttle valve replacement
A positive displacement machine having a set of parallel meshing rotors employed in a compression-expansion refrigeration system receives a fluid refrigerant input from a condenser and expands the fluid in a first zone and forces substantially all of the ...
02/13/2001
6149393Air lift pump
A combination of an air lift pump and a mechanical pump is used to lift a fluid from a lower level to a higher level. In preferred embodiments compressed air is released below the level of a submerged mechanical pump having an impeller, such that the comp...
11/21/2000
6126413Apparatus for use in liquid circulation system and method for using said apparatus
The invention relates to an apparatus for use in a liquid circulation system of the kind comprising a primary circulatory circuit provided with a circulation pump and having a primary forward flow and a primary return flow, as well as a secondary circulat...
10/03/2000
5863188Fluid flow reducer
A fluid flow reducing unit is incorporated in various mechanical systems to increase the mechanical advantage without the addition of energy. The fluids gaseous, liquid or mixtures thereof, are processed by the fluid flow reducing unit to increase the pre...
01/26/1999
5655895Turbopump for conveying highly viscous substances
A turbopump pumps a fluid of high viscosity. The pump has an inlet and an outlet. The pump is disposed on a shaft. A turbine has a separate inlet and a separate outlet from those of the pump. The turbine is disposed on the same shaft as the pump. A vehicl...
08/12/1997
5588813Fluid motor driven pump arrangement having motive fluid exhaust into the pump chamber
The dosing arrangement comprises two first pumps for a liquid medium B whose pistons are mutually connected by a piston rod, and two other pumps and for a liquid medium A which are positioned outside in continuation of and coupled to the pumps for liquid ...
12/31/1996
5558502Turbo pump and supply system with the pump
In a turbo, pump according to the present invention, blades 3e and a shroud 3f are continuously formed with a boss 3c of a turbine wheel 3, a meridian plane configuration of the shroud 3f is formed as an concave arcing rotatable surface. A boss shroud 3f
09/24/1996
5524683Method and apparatus for filling containers
An apparatus for filling containers including a pump housing having a pump chamber, a product inlet in communication with a supply of product under pressure, a product outlet and a piston positioned therein. The piston is movable by the supply of product ...
06/11/1996
5320500Continuous mixing device, method and use in an installation for pumping a high viscosity fluid
The invention concerns a continuous mixing device (1) having a rotating shaft (4) fitted with blades (7, 7a). The mixture obtained at the outlet from the mixer results from admitting to the mixer a high-viscosity fluid (22) and at least one fluid of a low...
06/14/1994
5193988Reverse osmosis system and automatic cycling booster pump therefor
A reverse osmosis system including a reverse osmosis filter with a reverse osmosis membrane and having an inlet port coupled to a source of feed water under predetermined pressure via a feed water inlet conduit, a product water outlet port for filtered ou...
03/16/1993
4979880Apparatus for pumping well effluents
A fluid motor and rotary pump are arranged in a cylindrical housing which is releasably secured in a cup-shaped base unit so that the housing can be removed from and inserted into the base via the open top....
12/25/1990
4820135Fluid driven pumping apparatus
A fluid driven pumping apparatus comprises a housing containing a twin rotor screw type positive displacement motor and a twin rotor screw type positive displacement pump. The screw rotors of said pump and motor are mounted on a pair of common shafts....
04/11/1989
4721436Process and installation for circulating fluids by pumping
This pumping installation comprises a source (1) of liquid and a turbo-machine comprising a pump (7) having an intake (8) and an outlet (9) and a turbine (5) which is fixed on the same shaft as the pump (7) and which has an intake (6) and an outlet (4). T...
01/26/1988
4712984Process and apparatus for circulating fluids by pumping
Process for pumping fluid composed of a liquid phase and of a gaseous phase, which involves conveying liquid under pressure to the inlet of the turbine of a turbo-machine comprising a pump and a turbine, mixing some of the liquid coming from the turbine w...
12/15/1987
4343595Hydraulic power booster apparatus
A hydraulic actuated pressure booster unit includes a differential power piston and an integral control valve controlling the pumping direction and action. The control valve has a reciprocally mounted tubular spool member in a cylindrical valve body. The ...
08/10/1982
4292011Turbo pump gas compressor
An improved power fluid driven turbo pump is provided for pumping oil wells of the type having, from time-to-time, significant quantities of gas included in the oil so that wide variations in the density of the medium to be pumped may be expected to be en...
09/29/1981
4256440Liquid dosing apparatus
This invention is directed to an apparatus for dosing a solution into a liquid conduit by means of a piston dosing pump mechanically driven by the liquid pressure, which comprises a dosing pump having a chamber containing liquid from the conduit and into ...
03/17/1981
4096059Proportioning fluids
Apparatus for accurately proportioning and mixing fluids comprising a double acting piston/cylinder unit of which the cylinder is divided into two chambers by the piston and the volume of the cylinder swept by the piston at one end of the piston is lesser...
06/20/1978
4037616Proportioning fluids
Apparatus for accurately proportioning and mixing fluids comprising a double acting piston/cylinder unit of which the cylinder is divided into two chambers by the piston and the volume of the cylinder swept by the piston at one end of the piston is lesser...
07/26/1977
3981626Down hole pump and method of deep well pumping
A down hole pump and, more particularly, a turbine driven geothermal down hole pump has a housing insertable in a well casing to a depth wherein geothermal liquid is exposed to the inlet of the pump contained in the housing and with a turbine in the housi...
09/21/1976
 
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