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Class 417/540 - Having pulsation dampening fluid receiving space


Subclass of Class 417 - Pumps
Definition: Apparatus comprising a fluid receiving or confining means
No. of patents: 283
Last issue date: 04/24/2012


1                
NumberTitleIssue Date
8162635Low vibration pump
A liquid pump is provided in which pulsations can be properly absorbed even if the pump is driven at a high frequency. A pulsation absorbing unit for absorbing pulsation includes a pulsation absorbing housing disposed on a pump housing member, a second diaphragm att...
04/24/2012
8118573Piston pump with at least one piston element
A piston pump having a piston longitudinally movable in a housing. A first pressure chamber is delimited by the piston element and a component affixed to the housing. The first pressure chamber is connected to a suction region via an inlet valve and is operationally...
02/21/2012
8096790Oil pump resonator
The invention provides an oil pump resonator in which various vibrations caused by pulsations that change in response to changes in oil pressure on a discharge port side can be attenuated by a resonator that comprises only one chamber, whereby the volume occupied by...
01/17/2012
8057200Structure of discharging refrigerant for linear compressor
The present invention discloses a linear compressor in which a piston is linearly reciprocated inside a cylinder, for sicking a refrigerant into a compression space between the piston and the cylinder, and compressing and discharging the refrigerant, and especially,...
11/15/2011
7641453Pulsation reducing apparatus and inspection apparatus
A pulsation reducing apparatus is used for an apparatus having a pump for circulating a liquid in a circulating line and a tank for storing the liquid circulating via the pump. The pulsation reducing apparatus includes a supplement tank for reserving the liquid such...
01/05/2010
7635257High pressure pump having plunger
A high pressure pump draws fluid from a fluid inlet into a compression chamber through an inlet chamber. The high pressure pump has a fluid chamber that communicates with the fluid inlet via the inlet chamber. The high pressure pump includes a plunger and a cylinder...
12/22/2009
7607900Multi-cylinder reciprocating compressor
A multi-cylinder reciprocating compressor includes a cylinder block provided with a plurality of pistons each for performing a working fluid suction stroke and a working fluid compression/discharge stroke, and a cylinder head arranged adjacent to the cylinder block....
10/27/2009
7585161Compressor
Disclosed herein is a compressor in which a coil weight is wound plural times on a highly vibrational portion of a discharge pipe to increase the mass of the highly vibrational portion, thereby enabling a vibrating frequency of the discharge pipe to be adjusted to a...
09/08/2009
7370923Inkjet printer
Installed are intermediate tank 12 with damping function against pressure fluctuation for temporarily storing ink in a position within ink supplying pipe 9a which supplies ink from main tank 11 to recording head 7, liquid supplying...
05/13/2008
7361002Oil pump
An oil pump to be insatalled to an engine of an automotive vehicle. The oil pump includes a section defining a suction port and a section defining a discharge port. A main unit of the oil pump has a section defining a plurality of pump chambers. Volume of each pump ...
04/22/2008
7350571Methods of preparing and using coated particulates
The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par...
04/01/2008
7334635Methods for fracturing subterranean wells
A method of forming a propped fracture comprising: providing a fracture having a far-well bore area and a near-well bore area; placing first proppant particulates at least partially coated with an adhesive substance; placing a portion of second proppant particulates...
02/26/2008
7334636Methods of creating high-porosity propped fractures using reticulated foam
One embodiment of the prevent invention provides a method of creating a high porosity propped fracture comprising creating a slurry comprising a treatment fluid, proppant particulates, pieces of reticulated foam having cells, and an adhesive substance such that the ...
02/26/2008
7322800System and method of providing hydraulic pressure for mechanical work from an engine lubricating system
The method provides hydraulic pressure for mechanical work from an engine lubricating system in an internal combustion engine by supplying oil to an engine lubrication gallery for lubricating the engine and to at least one variable oil demand accessory. Each of the ...
01/29/2008
7318474Methods and compositions for controlling formation fines and reducing proppant flow-back
Provided herein are methods for controlling the migration of particulates within a portion of a subterranean formation that comprise aqueous tackifying treatment fluids, curable resin compositions, and/or noncurable resin compositions. ...
01/15/2008
7318473Methods relating to maintaining the structural integrity of deviated well bores
Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing a longitudinal portion of a deviated well bore; and placing a suffic...
01/15/2008
7299875Methods for controlling particulate migration
Many methods are provided including methods of stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of the subterranean formation with a pre-flush fl...
11/27/2007
7284970Fluid apparatus having a pump and an accumulator
A pump liquid chamber (9) is formed inside a pump bellows (7). A suction port (18) and a discharge port (19) are formed in a wall face (4a) facing the liquid chamber (9). The suction port (18) communicates with...
10/23/2007
7281911Linear compressor
Disclosed herein is a linear compressor. In the present invention, an edge of a loop pipe, which is inserted into an outer exhale cover is inclined. It takes effect in enhancing reliability of the product and its assembling capacity, not to clog the edge of the loop...
10/16/2007
7281581Methods of hydraulic fracturing and of propping fractures in subterranean formations
A method of propping at least one fracture in a subterranean formation, that comprises forming a plurality of proppant aggregates, each proppant aggregate comprising a binding fluid and a filler material, and introducing the plurality of proppant aggregates into the...
10/16/2007
7278837Damper device for a piston pump
The invention relates to a damper device for a piston pump. The device includes a partly air-filled, upright tube placed on the inlet conduit of the piston pump, and a partly air-filled, upright tube placed on the outlet conduit of the piston pump. The two upright t...
10/09/2007
7278835Piston pump
A piston pump for brake systems employs a pulsation-smoothing device that functions especially well in the region of the outlet valve. As a result, substantially less noise occurs, and the durability of the piston pump is substantially better. The piston pump is use...
10/09/2007
7273099Methods of stimulating a subterranean formation comprising multiple production intervals
A method of stimulating a production interval adjacent a well bore having a casing disposed therein, that comprises introducing a carrier fluid comprising first particulates into the well bore, packing the first particulates into a plurality of perforations in the c...
09/25/2007
7267171Methods and compositions for stabilizing the surface of a subterranean formation
Methods comprising providing a fracturing fluid comprising proppant particulates at least partially coated with a hardenable resin composition that comprises a hardenable resin component and a hardening agent component, wherein the hardenable resin component compris...
09/11/2007
7267302Window airflow damper
A device that alters the breather hole configuration currently being employed in aircraft window assemblies. The device provides a means to allow slow moving air to pass and breathe through the breather hole, while stopping or significantly blocking non-steady air p...
09/11/2007
7264051Methods of using partitioned, coated particulates
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and wherein the adhesive substance comprises an aqueous tackifying agent or ...
09/04/2007
7264052Methods and compositions for consolidating proppant in fractures
Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In certain embodiments, the hardenable resin compositions may be especially suited for consolidating proppant in subterranean fractures having temperatures above abo...
09/04/2007
7261156Methods using particulates coated with treatment chemical partitioning agents
Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and wherein the partitioning agent comprises a subterranean treatment chemic...
08/28/2007
7255169Methods of creating high porosity propped fractures
Methods of forming a high porosity propped fracture comprising: providing a slurry comprising a fracturing fluid, proppant particulates, and a weighting agent; introducing the slurry into a portion of a fracture within the subterranean formation; and, depositing the...
08/14/2007
7252146Methods for preparing slurries of coated particulates
Methods are provided that include a method of creating a stable slurry of coated particulates wherein the slurry is capable of being stored for at least 2 hours before use comprising the steps of: providing resin coated particulates wherein the resin comprises a res...
08/07/2007
7237609Methods for producing fluids from acidized and consolidated portions of subterranean formations
A method of stimulating and stabilizing an area of a subterranean formation comprising placing an acid fluid into an area of a subterranean formation and allowing the acid to at least partially dissolve a portion of the area of the subterranean formation; placing a ...
07/03/2007
7228846Apparatus, system, and method for reducing pressure pulsations and attenuating noise transmission in a fuel system
An apparatus, system, and method of damping pressure pulsations and attenuating noise transmission in a fuel supply system. The apparatus includes a first end in fluid communication with a fuel supply line, a second end in fluid communication with a manifold, and a ...
06/12/2007
7219494Hydraulic system comprising pressure-controlled damping means
Hydraulic systems generally comprise expansion hose lines and other damping elements which are provided with one or several serially connected hose chambers according to the generated pressure pulsation. The damping measures of the inventive hydraulic system are ini...
05/22/2007
7216711Methods of coating resin and blending resin-coated proppant
A method of consolidating particulates comprising providing a slurry comprising a carrier fluid, a first portion of particulates, and a second portion of particulates wherein the first portion of particulates is at least partially coated with resin or tackifying age...
05/15/2007
7210912Reciprocating piston compressor having improved noise attenuation
A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap...
05/01/2007
7211547Resin compositions and methods of using such resin compositions in subterranean applications
The present invention relates to curable, permeable resin compositions and methods of using such compositions. One embodiment of provides a method of creating a resin mass comprising the steps of combining a resin, a hardening agent, a hydrocarbon diluent, a silane ...
05/01/2007
7179065Linear compressor
Disclosed herein is a linear compressor. In the present invention, a spring sheet is equipped in an exhale cover to prevent an edge and an outer circumference of an exhale spring from touching with the exhale cover. A surface of the spring sheet is treated with a me...
02/20/2007
7156194Methods of drilling and consolidating subterranean formation particulate
Improved methods for drilling well bores penetrating producing zones while controlling formation particulates are provided. Some embodiments provide methods of drilling a well bore into a subterranean formation comprising the steps of providing a drilling compositio...
01/02/2007
7134850Fitted assembly bellows pump
In a pump employing a bellows, individual members are formed from resins and pump components including a fitted assembly formed by fitting plural members with each other form a structure unit which is tightly inserted in an external cover and constrained on the oppo...
11/14/2006
7131493Methods of using sealants in multilateral junctions
Methods for the completion of subterranean well bores in a multilateral well system are provided. More particularly, methods are provided for the sealing of junctions between lateral well bores and a parent well bore. The sealants used in accordance with the methods...
11/07/2006
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