614results about How to "Close reliable" patented technology

A container has a body which comprises front and rear walls, and the side walls. Each of the front and rear walls has an elliptic cross section, and is provided with a lateral recess. Each of the side walls is a vertical plane which intersects the elliptic cross section of the front and rear walls, and is provided with a plurality of reinforcements.The container has a bottom which comprises a peripheral wall connected to the body and a bottom wall. The peripheral wall comprises slightly inclined front and rear walls, and side walls inclined by a predetermined angle. The peripheral wall is provided with a reinforcing rib.

A medical apparatus includes a socket unit for connecting a plug unit of a device for supplying medical fluids, in which the medical apparatus is in particular an extracorporeal blood treatment apparatus, for example an extracorporeal dialysis apparatus or an apparatus for peritoneal dialysis, or an apparatus for filling the device for supplying medical fluids. The socket unit comprises connection pieces for the connection of connectors of a plug unit, so that a flow connection can be produced for supplying or discharging a fluid. The connection pieces are surrounded by connection parts thereby forming rinsing chambers, in which the rinsing chambers are closed by closure pieces, said closure pieces being part of a closure body which is disposed rotatably on the socket unit.

The present invention relates to fluid control valves. The invention provides an improved diaphragm useful for a large hydraulically-operated valve or pressure regulating valve of the type used in pipelines to transport water, oil, gas, acids, alkalis and other fluids.The diaphragm being provided with an upper face arranged to be exposed to a control hydraulic pressure and a lower face arranged to selectively seal and open a passage between a valve inlet and a valve outlet, ribs on said upper face urging the diaphragm towards a sealing position. The diaphragm being characterized by the addition of an elastomer ring element disposed adjacent to the upper face and adjacent to the largest diameter of the diaphragm exposed inside a valve to which it may be assembled, an upper face of the flexible ring element being in pressure contact with a portion of the rigid body of the valve. The flexible ring element further urging the diaphragm towards its lower position and allowing closure of the valve without use of a metallic compression spring.

When differential pressure between fuel flowing into a fuel control valve and fuel flowing out of the valve reaches a predetermined value, the biasing force of a compressed coil spring is countered and a shaft in the valve moves to the fuel upstream side so that a valve member is seated to terminate communication between the fuel inlet passage and the fuel outlet passage. This maintains fuel pressure at the fuel inlet passage and at the fuel outlet passage at different levels so that the fuel supply system maintains a high fuel pressure in the fuel rail to suppress fuel vapor generation during engine stoppage while also yet still providing an appropriate fuel injection pressure during rapid deceleration of the vehicle.

The device for conveying fuel from a fuel tank (10) to an engine (18) of a motor vehicle has a conveying unit (14), communicating on the intake side with the fuel tank (10) and, on the pressurized side, with the engine (18), and a return line (22), which leads to a jet pump (24), located near a tank bottom (11), that pumps excess fuel via a mixing region into a reserve pot (12), from which the conveying unit (14) draws fuel. According to the invention a siphon-like mixing region (29) is provided between the reserve pot (12) and the tank bottom (11). An opening (32) or a filter element (48) is provided in a transitional region (31) of the mixing region (29) to the reserve pot (12). The opening (32) or filter element (48) which extends parallel to the tank bottom is closable by an axially movable closing element (44,51) so that a fuel flow can occur into the reserve pot (12) but not back from the reserve pot (12) into the mixing region (29).

A method and a device for breaking a work, a method for scribing and breaking the work, and a scribing device with a breaking function. The method for breaking the work (5) capable of preventing chipping from occurring on the rear surface of the work due to rubbing when the work having a scribe line marked on the surface thereof is broken comprises a work adhering step for stamping the rear surface of the work (5) on an extensible sheet (9), a sheet pulling step for pulling the sheet (9) on which the work (5) is stamped, and a work parting step for moving the scribe line (5c) to the rear surface of the work (5) in the pulled state of the sheet (9). Since the work (5) is pulled off immediately after the work (5) is parted by the tensile force of the sheet (9), the rubbing of the parted work (5) is reduced and the chipping can be prevented from occurring on the rear surface of the work. Also, since the tensile force provided to the work (5) assists in parting the work, the work (5) can be parted with a smaller force.

An internal combustion engine includes an exhaust valve for removing exhaust gas from a combustion chamber and an engine braking device with a hydraulic valve control unit by which the exhaust valve is held in an intermediate open position when the engine braking device is actuated. The internal combustion engine includes a hydraulic valve lash compensation mechanism for the exhaust valve and a control channel formed between the hydraulic valve control unit and an oil feed channel for feeding oil to the hydraulic valve control unit which can be closed by a closure element to compensate for valve lash of the exhaust valve. A counter-holder is constructed as a piston-cylinder unit that forms a variable stop for a valve bridge cooperating with the valve lash compensation mechanism.

A modular terminal block for connecting leads or wires to an electrical body includes a module stack of side-by-side module assemblies and an alignment plate. Each module assembly includes a housing, a number of conductors extending from the housing, and a cover member to cover the conductors. The alignment plate accurately positions the conductors despite variations in housing dimension due to manufacturing tolerances. The housing includes walls supported on both sides when forming part of the module stack. The walls resist deflection of the conductors during installation of the alignment plate and electrical body. Each cover member engages and is held closed by a conductor extending from the housing.

A control circuit for controlling an electromechanical elevator brake is disclosed. The control circuit includes at least one brake coil (L1), a direct-voltage source (BR1), a semiconductor switch arrangement, a current measuring unit, at least two semiconductor switches, and a control unit (CO1) for controlling operation of the circuit. The current measuring unit (Lm1) produces current data that is passed to the control unit (CO1). The at least two semiconductor switches (SW1, SW2) are controlled by the control unit (CO1) such that operation is alternated between the two so that the working condition of each switch can be checked in its turn on the basis of feedback data obtained from the current measuring unit.

The invention relates to a high-reliability landing gear control system. The high-reliability landing gear control system comprises a control driving unit and an EMAC driving circuit, wherein the control driving circuit comprises a power supply transformation power distribution module, a 1553B bus interface module, a CPU processing unit, a steering motor driving circuit, a solenoid valve driving circuit and an analog quantity signal processing circuit, wherein the CPU processing unit comprises a taking-up and releasing control module, a front wheel steering control module and an anti-skid braking driving control module; the landing gear control system adopts a driving and control integrated design, the CPU processing unit can be used for achieving combined control on taking up and releasing of a landing gear and a cabin door, the steering of a front wheel, and the anti-skid braking of an electro-mechanical actuator of a main engine wheel, and the system is light in weight, low in power consumption, high in reliability and good in environment adaptation, and can be widely applied to novel spacecraft landing recovery systems and traditional aircraft landing gear systems.

A multicylinder internal combustion engine is provided with a plurality of cylinders sharing a single crankshaft. The combustion characteristics in the respective cylinders is improved by taking out part of combustion (expansion) gas produced in one of the cylinders at an earlier stage of the explosion (expansion) stroke, and then introducing the gas into another one of the cylinders in the suction or compression stroke.

An extracting device (4) for removing material cut away in the operation of a motor-driven hand tool, has an extracting opening (48) and a receiving space (18) for the cut material, which communicate with one another through an extracting path, and an air current generator (42) for generating an air current (L) from the extracting opening (48) to the receiving space (18). A closure device (20) is provided between the extracting opening (48) and the receiving space (18), which at least substantially places the extracting path in a closed position and which is operated by the air current (L). The closure device (20) is arranged between the extracting opening (48) and the air current generator (42) and the closure device (20) has a closure element (22), which can be removed from a valve seat (24) by means of an underpressure created by the air current generator (42) for forming an open position of the closure device.

A hydraulic system of shield spiral conveying machine with ratio feedback control and energy storing device for oil supplement consists of a three-position and four-way solenoid change valve, a motor, a rotation sensor, a one-way valve, a liquid-controlled one-way valve, a throttle valve, a two-position and two-way solenoid reversal valve, a shift sensor, a hydraulic cylinder, a range switch, a stop ball valve, a unloading valve, an overflow valve and an energy storing device. The machine has a sensor to monitor rotation and makes variable pump controlled according soil cabin pressure so as to control soil discharge volume and to achieve a hydraulic control system of a continuous real time controllable spiral-conveying machine. The energy-storing device is used oil supplement to close exhaust outlet reliably when accident occurs to guarantee safety for tunnel engineering. The electric feedback and ratio feedback are used to control turbulence to soil body when shield tunneling and reduce settlement of earth surface. The machine can be adaptable for various strata reliably.

A device for processing food items arranged in a receptacle includes a steam-generating unit for generating steam, and a steam supply unit, which is connected to the steam-generating unit, for supplying steam to the receptacle. The steam supply unit has a steam probe having at least one steam-dispensing opening, and also has a steam probe stroke drive for a stroke movement of the steam probe along a stroke axis.

A modular terminal block for connecting leads or wires to an electrical body includes a module stack of side-by-side module assemblies and an alignment plate. Each module assembly includes a housing, a number of conductors extending from the housing, and a cover member to cover the conductors. The alignment plate accurately positions the conductors despite variations in housing dimension due to manufacturing tolerances. The housing includes walls supported on both sides when forming part of the module stack. The walls resist deflection of the conductors during installation of the alignment plate and electrical body. Each cover member engages and is held closed by a conductor extending from the housing.

A modular terminal block for connecting leads or wires to an electrical body includes a module stack of side-by-side module assemblies and an alignment plate. Each module assembly includes a housing, a number of conductors extending from the housing, and a cover member to cover the conductors. The alignment plate accurately positions the conductors despite variations in housing dimension due to manufacturing tolerances. The housing includes walls supported on both sides when forming part of the module stack. The walls resist deflection of the conductors during installation of the alignment plate and electrical body. Each cover member engages and is held closed by a conductor extending from the housing.

The invention discloses a cardiac intervention ablation catheter, the catheter comprises more than two branch electrodes (5), a catheter trunk (6) and an operating handle (7), wherein, all the branch electrodes (5) are distributed in a shape of petals, the top end of each petal of branch electrode (5) is a metal electrode (12), the lower ends of the metal electrodes are provided with a temperature sensor (11), the metal electrodes (12) are connected with an examination and treatment instrument (4) through a metal wire and the temperature sensor (11) which are welded at the lower ends of the metal electrodes and a connection line (15) of the sensor passes through an insulation tube (14), a catheter trunk (6) and a handle (7) sequentially. the root part of the catheter trunk (6) is provided with a depth scale (19) and an angle scale (20), the invention can realize that the invention can be tightly affixed at the surgical site of the rugged part in the heart; the invention can realize the ring-shaped ablation under the appropriate three to five times of the rotation of the catheter.

An elevator door apparatus includes an engaging device which engages car doors with hall doors. The engaging device uses a spring unit to urge a movable vane provided in each of the car doors. While the doors are moving, engaging rollers supported by the hall doors are sandwiched between the movable vane and a fixed vane. Thus, the driving forces of the car doors are transmitted to the hall doors. When the hall doors reach a door stop position, the movable vane is moved away from the fixed vane. Thus, the car doors are disengaged from the hall doors. At this time, a direction in which the elastic force of the spring mechanism acts is switched. Consequently, the car doors and the hall doors are stably held so that the car doors remain disengaged from the hall doors.

A modular terminal block for connecting leads or wires to an electrical body includes a module stack of side-by-side module assemblies and an alignment plate. Each module assembly includes a housing, a number of conductors extending from the housing, and a cover member to cover the conductors. The alignment plate accurately positions the conductors despite variations in housing dimension due to manufacturing tolerances. The housing includes walls supported on both sides when forming part of the module stack. The walls resist deflection of the conductors during installation of the alignment plate and electrical body. Each cover member engages and is held closed by a conductor extending from the housing.

A container has a body which comprises front end rear walls, and the side walls. Each of the front and rear walls has an elliptic cross section, and is provided with a lateral recess. Each of the side walls is a vertical plan which intersects the elliptic cross section of the front and rear walls, and is provided with a plurality of reinforcements. The container has a bottom which comprises a peripheral wall connected to the body and a bottom wall. The peripheral wall comprises slightly inclined front and rear walls, and side walls inclined by a predetermined angle. The peripheral wall is provided with a reinforcing rib.

A method of metering a fluid, pollutant-reducing medium, in particular an aqueous urea solution, into a motor vehicle exhaust system is proposed, in which the fluid medium is delivered to a nozzle module, in particular a nozzle or a valve, and introduced into the exhaust system by the nozzle module. A transport system arranged upstream of the nozzle module is activated with pulse-width modulation. The method and the associated metering system ensure that, in particular, a reducing agent is arranged or metered precisely and in a robust manner relative to degrees of coldness, with the use of few components.

An extracting device (4) for removing material cut away in the operation of a motor-driven hand tool, has an extracting opening (48) and a receiving space (18) for the cut material, which communicate with one another through an extracting path, and an air current generator (42) for generating an air current (L) from the extracting opening (48) to the receiving space (18). A closure device (20) is provided between the extracting opening (48) and the receiving space (18), which at least substantially places the extracting path in a closed position and which is operated by the air current (L). The closure device (20) is arranged between the extracting opening (48) and the air current generator (42) and the closure device (20) has a closure element (22), which can be removed from a valve seat (24) by means of an underpressure created by the air current generator (42) for forming an open position of the closure device.

A seal body 24 is formed annularly to have a fitted / fixed portion 25 airtightly fitted and fixed to a shoulder 22 in a turbine housing 1 formed facing a scroll passage 8 and have a clearance facing portion 27 facing an outer periphery of a turbine-housing-side exhaust introducing wall 9a with a clearance S, the clearance facing portion 27 being caused to be pressed against the exhaust introducing wall 9a due to a difference in fluid pressure between the clearance S and the scroll passage 8. Slipout preventive means 29 is formed on the fitted / fixed portion 25 of the seal body 24 for preventing the fitted / fixed portion 25 from slipping out of the shoulder 22.

A motor driven hand tool has a motor housing (6) with a main handle (8) near its rear end and an auxiliary bracket (10) spaced ahead of the main handle. The auxiliary bracket has a storage receptacle (16) for holding a plurality of tool bits. Partial sliding covers (26, 30) close the storage receptacle.

A piezoelectric valve has a flexural transducer accommodated in a valve housing and having a free ending cantilever operational section able to be deflected by electrical control. The operational section extends over two controlled valve openings lying on the same side and possesses two control section associated with such valve openings. One of the control section serves for control of a supply opening and is urged into its closed by actuating means provided in addition to the flexural transducer. The actuating force is powerful enough to reach the closed position, when the other control section clears the associated valve opening.

A valve mechanism adapted for a mouth portion of a tube-type fluid container includes: a valve seat portion having an opening through which a fluid passes; a disc-shaped valve portion; and an annular fixing portion for affixing the valve portion to the valve seat portion. The valve portion includes: an annular supporting portion, a closing portion for closing the opening, and multiple connecting portions connecting the closing portion to the annular supporting portion to urge the closing portion toward the opening. The annular supporting portion, the closing portion, and the multiple connecting portions are integrally formed.

A cosmetic container having a container body for receiving cosmetics and a cap having a cap body, an outer tube, and an inner tube. A first spring for urging the outer tube rearward is installed between the cap body and the outer tube. A second spring for urging the cap body forward is received in the inner tube. A shaft section with an application section is projectingly formed on the inner tube. An engagement groove is provided in the container body, in the outer peripheral surface near its head. A locking ball reception hole and a locking ball received in the hole are provided on the cap body. A restriction projection for restricting the locking ball from moving outward is provided inside the outer tube. The locking ball projected inward by the restriction projection fits in the engagement groove, and the cap is installed on the container body.

The anchoring element serves to anchor the bracket to a substrate, and the pressure element is intended to interact with the firestop collar. The pressure element can be moved relative to the anchoring element. An expansion element made of intumescent material is arranged between the anchoring element and the pressure element.