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41results about How to "Leakage Minimization" patented technology

Sound attenuating structures

A sound attenuation panel is configured with a substantially acoustically transparent planar, rigid frame divided into a plurality of individual, substantially two-dimensional cells. A sheet of a flexible material is fixed to the rigid frame, and a plurality of platelets fixed to the sheet of flexible material such that each individual cell of the plurality of cells is provided with a respective platelet to establish a resonant frequency, the resonant frequency defined by the planar geometry of the individual cells, the flexibility of the flexible material and the platelets. The cells are divided into at least two different types of the individual cells, configured so that sound waves emitted by a first type of said different types of individual cells establishes a sound cancellation pattern with sound waves emitted by a second type of said different individual cells or an aggregation of different types of the individual cells.
Owner:THE HONG KONG UNIV OF SCI & TECH

Disposable cartridge for electroporation

The invention relates to a disposable cartridge for electroporation, and is directed to disposable for electroporation of cells, comprising a fluid compartment in an interior of the disposable; a first fluid port for providing cell suspension to the fluid compartment, and a second fluid port for delivering a fluid comprising at least one compound to be electroporated into the cells to the fluid compartment; a first electrode and a second electrode disposed in the fluid compartment; at least one exit port which delivers the fluid from the fluid compartment wherein the first and second fluid port have a fluid communication to a mixing channel which has a fluid communication to the fluid compartment.
Owner:ミルテニイビオテックベーファーウントコーカーゲー

Fuel formulation for direct methanol fuel cell

InactiveUS20050081429A1Prevention of undesired flow of fuelMinimization of undesired leakageReactant parameters controlSolid fuelsFuel cellsPerformance enhancement
The present invention provides a viscous fuel, which includes a fuel substance held in a polymeric structure, where the viscous fuel has benefits over previous fuels, including performance enhancements and desirable physical characteristics. One embodiment of the formulation includes neat methanol, to which a thickening substance, such as that sold commercially under the trade name Carbopol®, is added to impart viscosity, as well as stabilizing and suspending properties. In addition to the thickening substance, a further substance can be added to balance the pH of the viscous fuel when needed.
Owner:DURACELL U S OPERATIONS

Shaft Assembly For Molded Case Circuit Breaker

The present invention provides a shaft assembly for a molded case circuit breaker, wherein the shaft assembly has high phase insulation and minimum volume. The shaft assembly comprises the following components: a rotatable shaft in which a plurality of separated shaft parts are connected among adjacent shaft parts with gaps; a plurality of connecting rods which are inserted into the shaft and can rotate along with the rotation of the shaft in a same direction, wherein the plurality of connecting rods are equipped to correspond with the shaft part and are used for driving a movable contact of each phase of the molded case circuit breaker for switching; and electric insulation members which are filled in the gaps among the adjacent shaft parts so as to cause phase insulation of the plurality of shaft parts.
Owner:LSIS CO LTD

Landing gear apparatus and assembling method thereof

Landing gear (10) for selectively supporting a semitrailer (12) and a method of assembly of the landing gear is provided. The landing gear (10) includes a leg (11) having an upper section (15) and a lower section (13) telescopingly received in the upper section (15). A lead screw (23) extends and retracts the upper and lower sections relative to each other upon rotation thereof. An input shaft (27) applies a torque to the lead screw (23) to drive rotation thereof, the input shaft (27) being rotatable about a rotation axis and movable in translation along the rotation axis for shifting between a first position for a low gear operation and a second position for a high gear operation. An output shaft (31), axially aligned with the input shaft (27), has an output gear (35) for transmitting torque to the lead screw (23). A gearing subassembly (32) is received in the upper leg section (15) and is configured to augment lift when the input shaft (27) is in the first position and augment speed in the second position.
Owner:SAF霍兰德公司

Internal combustion engine with hydraulic device for adjusting the rotation angle of a camshaft in relation to a crankshaft

A hydraulic device in an internal combustion engine for adjusting a rotation angle of a camshaft in relation to a crankshaft includes a tubular stator and a rotor connected in fixed rotative engagement with the camshaft and having plural vanes in spaced apart relationship to define pressure chambers on both sides of the vanes. The stator is connected in fixed rotative engagement with a crankshaft-drive timing pulley and formed in single-piece construction with an end wall to thereby exhibit a pot-shaped structure. The pot is made without material removal from a sheet metal part and constructed to define with the rotor vanes the pressure chambers. Pressure medium is supplied to or purged from the pressure chambers to selectively adjust the position of the rotor in relation to the stator and thereby the position of the camshaft in relation to the crankshaft.
Owner:SCHAEFFLER TECH AG & CO KG

U-shaped housing and cover concept for plate fin heat exchangers

The invention provides a housing for a heat exchanger, a core assembly for a heat exchanger and a heat exchanger for a vehicle. The housing for a heat exchanger includes a first housing portion havingand a second housing portion. The first housing portion has a U-shaped cross-section. The second housing portion cooperates with the first housing portion to define a chamber. The chamber receives aheat exchange assembly. The second housing portion is configured as a plate.
Owner:HANON SYST

Pump and dishwasher comprising the same

The present disclosure relates to a pump which sends washing water and generates steam in order to wash the dishes or the cooking utensils, and a dishwasher including the same. The pump according to an embodiment of the present invention includes a housing; an impeller which is disposed inside the housing and flows washing water; and a heater which is coupled to a lower side of the housing and generates steam by heating the washing water in the housing, wherein the housing includes: a pump lower portion through which the washing water is introduced by rotation of the impeller; and a pump upperportion through which the washing water flows out by rotation of the impeller and the steam generated by the heater flows out, thereby generating steam.
Owner:LG ELECTRONICS INC

Methods for minimizing side channel leakage for group key agreement for controller area network

A method for operation of a communication network reduces leakage of data to an adversary that can observe signals transmitted through the communication network. The method includes generating a ranking to order operation of a plurality of nodes that exchange data in a group cryptographic key exchange process based on a leakage map of the nodes. The ranking minimizes leakage of data through a shared communication medium during the group cryptographic key exchange process. The method includes transmitting the ranking to the plurality of nodes through the shared communication medium, and performing, with the plurality of nodes, the group cryptographic key exchange process in an order of operation specified in the ranking to enable the plurality of nodes to exchange a shared cryptographic keythrough the shared communication medium while minimizing leakage of data.
Owner:ROBERT BOSCH GMBH

Method for deriving proper cutting condition of polarization plate

A method for deriving a proper cutting condition of a polarization plate according to an embodiment of the present invention may comprise the steps of: (a) preparing a polarization plate including anadhesive layer and having a cut surface which is cut and formed thereon according to a predetermined cutting condition; (b) providing the polarization plate to a guide part such that one end of the polarization plate comes into contact with the guide part; (c) moving the polarization plate on the guide part; (d) measuring frictional force applied between the polarization plate and the guide part while the polarization plate is moved; and (e) deriving a proper cutting condition of the polarization plate on the basis of a value of the measured frictional force and a reference for determination on whether the adhesive of the polarization plate leaks, wherein the reference has been informationalized in advance by using frictional force data.
Owner:SHANJIN OPTOELECTRONICS SUZHOU CO LTD

Scroll compressor

A scroll compressor includes a housing, a fixed scroll, and a movable scroll. A compression chamber is formed between the movable scroll and the fixed scroll. An opposing wall is located in and fixed to the housing. A back pressure region is formed between the opposing wall and the movable scroll, and a back pressure in the back pressure region urges the movable scroll toward the fixed scroll. An annular sealing member is arranged between the movable scroll and the opposing wall. The movable scroll includes a holding portion that holds the sealing member. The sealing member includes a rubber portion, which elastically deforms in the holding portion, and a resin portion, which is made of a material harder than the rubber portion. The resin portion at least partially projects out of the holding portion toward the opposing wall. The resin portion is in contact with the opposing wall.
Owner:TOYOTA IND CORP

Scroll compressor

A compressor according to the present disclosure may include a container; a drive motor provided in the container; a crankshaft coupled to a rotor of the drive motor; a first scroll coupled to the crankshaft to receive a rotational force of the drive motor to perform an orbiting movement; a second scroll coupled to the first scroll to form a first compression unit and a second compression unit along with the first scroll; and a vane provided in the first scroll or second scroll to be brought into contact with the other side scroll to form the second compression unit, wherein the first compression unit is carried out in a scroll compression mode and the second compression unit is carried out in a rotary compression mode.
Owner:LG ELECTRONICS INC

Gas turbine combustor

A gas turbine combustor according to the invention includes a combustion chamber coupled to a nozzle unit that is radially partitioned into plural regions. Each region includes a nozzle casing; a nozzle supplied with fuel and air to produce a mixed gas of the fuel and the air and configured to be inserted into the nozzle casing and to inject the mixed gas into the combustion chamber; a fuel supplysection coupled to an outer peripheral surface of the nozzle casing to supply the fuel to the nozzle through the outer peripheral surface; a fuel plenum formed in the nozzle casing to receive the fuel from the fuel supply section; and an air plenum formed in the nozzle casing toward the combustion chamber to receive a portion of the air supplied to the nozzle unit, the portion of air introduced to the air plenum through a first opening formed in the nozzle casing.
Owner:DOOSAN HEAVY IND & CONSTR CO LTD

Dehumidifier

A dehumidifier is provided that may include a bucket; a drain pan comprising a drain passage configured to guide condensed water dropped from an evaporator to the bucket; a pump; a barrier configuredto define a bucket space in which the bucket is accommodated; and a pump water inlet line and a pump water outlet line, which are connected to the pump. The pump water inlet line may include a flexible tube a portion of which is inserted into the bucket. The bucket may have an opening into which a portion of the flexible tube may be inserted. A portion of the flexible tube may be bent to be easilyinserted into the bucket through the opening of the bucket.
Owner:LG ELECTRONICS INC

Discharge silencer fixing structure for hermetic compressor

The invention is about a discharge silencer fixing structure of closed type compressor. The fixing wing panel perpendicular to the compressing chamber of the cylinder is on the front side of the chamber entrance. On the fixing wing panel, linkage wheel hub is arranged for fixing discharge silencer. On the front side of the compressing chamber, a valve assembly is fixed for preventing working liquid flowing into the chamber, which is fixed to a top cover with the valve assembly. In the top cover, a discharge chamber is formed, the discharge chamber is connected to the compressing chamber, transferring the working liquid discharged by compressing to the discharge silencer. The discharge chamber and the discharge silencer is connected by the discharge oil way on the fixing wing panel. The discharge oil way is arranged on the fixing wing panel slantwise. The invention as remarked above, the contact area between the valve assembly, the top cover and the cylinder is minimized, so the leakage is reduced and the cylinder is fixed to the surface stably.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD

Gas pressure regulator for regulating the pressure of a gaseous fuel, system for supplying an internal combustion engine with gaseous fuel using such a gas pressure regulator, and method for operating the system

The invention relates to a gas pressure regulator (1) for regulating the pressure of a gaseous fuel, said gas pressure regulator having a housing (2) in which a gas piston (3) movable longitudinally is arranged ), the gas piston delimits a gas chamber (5) and delimits a pressure chamber (7) that can be filled with a working fluid, wherein the gas piston (3) has a first seal (24) surrounding its outer side, The gas piston (3) is guided sealingly on the housing (2) by means of the first seal and the first seal seals the gas chamber (5). The cooperation of the gas piston (3) and the valve seat (21) forms an overflow valve (20), via which gas can be led out of the gas chamber (5). A second circumferential seal (25) is formed on the outside of the gas piston (3), by means of which the gas piston (3) is likewise guided in a sealing manner in the housing (2) , wherein the gas piston (3) is at least partially surrounded by a low-pressure gas chamber (9), and the second seal (25) separates the low-pressure gas chamber (9) from the gas return chamber (10) , wherein the gas chamber (5) can be connected to the gas return chamber (10) through the overflow valve (20). The invention also relates to a system for supplying an internal combustion engine with gaseous fuel, the system having an intermediate tank (200) and such a gas pressure regulator (1). Furthermore, in a method for operating the system there is a return accumulator ( 300 ), the pressure of which is set between the pressure in the gas chamber ( 5 ) and the pressure in the gas tank ( 100 ).
Owner:ROBERT BOSCH GMBH
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