182results about How to "Simple and reliable connection" patented technology

The invention provides a novel valve tower of a thyristor converter valve. The novel valve tower comprises a valve hall, a valve tower body, a valve support (6) and a lightning arrester (9). The valve tower body and the lightning arrester (9) are hung on the lower edge of a steel beam on the top of the valve hall through a suspended insulator chain. The valve tower body is composed of a top shielding case (4), a bottom shielding case (1) and valve layers between the top shielding case (4) and the bottom shielding case (1). The valve tower body is composed of a left half tower body and a right half tower body. Each valve layer is composed of two converter valve modules (2). The valve layers and the bottom shielding case (1) are suspended below the top shielding case (4) through interlayer insulators (3) arranged between the adjacent valve layers and arranged between the valve layers and the bottom shielding case (1). By the adoption of the structure, the valve tower body and the steel beam on the top of the valve hall can swing relatively, the valve layers can also swing relatively, and therefore the valve tower is high in overall flexibly and good in anti-seismic effect.

The present invention discloses one kind of sealing device for 6x10<-8> Pa aultra high vacuum circular planar magnetically controlled sputtering target. The sealing device includes one water cooling cavity with soft iron and magnetic steel, one water cooling cavity sealing flange with metal O-ring, one water inlet pipe and one water outlet pipe welded to the water cooling cavity sealing flange, one target supporting seat with one electrode insulating layer and two groups of O-rings, one installing flange welded to the target supporting seat and other parts. The present invention can ensure vacuum degree as high as 6x10<-8> Pa.

The disclosure provides an offshore platform and related method, having: a floating structure, a truss assembly coupled to the floating structure, and a heave plate coupled to the truss assembly. The floating structure includes a pontoon adapted to be disposed at least partially below a surface of water in which the offshore platform is disposed; and at least three vertically extending columns coupled to the pontoon, the columns having a larger lateral dimension than the pontoon coupled to the column, creating a pontoon offset portion. The truss assembly includes at least three separated walls of trusses slidably coupled to the columns, each truss wall having at least two vertically disposed truss legs, each truss leg being slidably coupled to a column at the pontoon offset portion independently from a truss leg of an adjacent wall; and cross-bracing between the truss legs of each of the truss walls.

The invention relates to a modular maritime floating island, comprising multiple welded all-steel-structure floating box modules, rubber mats and linking cables, wherein the floating box modules can be square modules and rectangular modules, or can also be hexagonal modules; each module is provided with an upper linking boss and a lower linking boss; every two adjacent floating box modules are linked by one cable; a floating box body of each floating box module is divided into an upper layer and a lower layer; the lower layers are respectively and internally provided with a watertight compartment; the upper layers are respectively provided with a working and living room; the lower layers and the upper layers are correspondingly communicated by through cross channels; the sides of the channels are respectively provided with a staircase communicated with the upper plane of a floating box. The modular maritime floating island has the beneficial effects that the floating boxes can be modularly and massively produced, and are applied to maritime combination for infinite extension; the floating island has a strong capability of resisting stormy wave, is small in immersion depth and can be berthed on the bank side of a shallow sea or in a lagoon in a floating way; after a plurality of power modules are combined, the floating island can be positioned in a deep sea in the floating way; the modules which cannot be restored due to damage can be sunken into the sea bottom by unfastening the cables; each floating box module is provided with an independent rainwater collector and an independent septic tank; therefore facilities such as a community, a greenhouse, an aquaculture net cage and an airport can be built on a large floating island.

A construction method for steel-concrete floor includes drilling on the web plate of steel beam, connecting the steel beam with brackets mode of angle steel, arranging T-shaped steel beams between brackets, spreading shutterings on the T-shaped steel beams, binding reinforcing bars, pouring concrete, solidifying, and detaching the brackets, T-shaped beam and shutterings. Its advantages are low cost and high construction speed.

An aerosol-generating system comprises a fluid-permeable electric heater assembly (30) The heater assembly comprising: an electrically insulating substrate (34), an aperture being formed in the electrically insulating substrate; and a heater element having a first face fixed to the electrically insulating substrate, the heater element spanning the aperture and comprising a plurality of electrically conductive filaments (36) connected to first and second electrically conductive contact portions (32), the first and second electrically conductive contact portions positioned on opposite sides of the aperture to one another, wherein the first and second electrically conductive contact portions are configured to allow contact with an external power supply.

A window lift system, especially for the side window of a motor vehicle, includes (i) a pulling device and (ii) a catch for a window pane, which can be moved up and down using the pulling device. The catch has a first fastening point for an upward pulling end of the pulling device and a second fastening point for a downward pulling end of the pulling device, which point is horizontally off-set from the first fastening point in the window pane plane when the window pane is fitted. The window lift system also includes (iii) an arrangement positioning and fixating the catch in terms of at least three degrees of freedom so that the catch can be maintained in a position that is defined in terms of the degrees of freedom even when the window pane is not yet fitted.

An electrical contact device including first and second switching contact units for producing or isolating electrically conductive connections, wherein a first contact side of the first switching contact unit is connected to a first contact side of the second switching contact unit, and a second contact side of the first switching contact unit is connected to a first connection contact of the contact device, and a second contact side of the second switching contact unit is connected to a second connection contact of the contact device, and wherein two switching contact units are designed to be actuable by a movable plunger acting on said switching contact units. The two connection contacts, in relation to the plunger, are arranged opposite one another on the contact device, and the first and second switching contact units are arranged within a mounting unit.

An output terminal 7 has a circular cylindrical section 70A and a non-circular cylindrical section 70B, the front end is exposed outside the surface of the external case 2, and the aft end is attached to an output terminal lead-plate 8 inside the external case 2. The external case 2 has circular cylindrical through-holes 26A to pass the circular cylindrical sections 70A, and non-circular cylindrical through-holes 26B to insert the non-circular cylindrical sections 70B in a manner that does not rotate. Each metal rod 70 has an O-ring 72 disposed in a gasket groove 71, the O-ring 72 seals the gap between the output terminal 7 circular cylindrical section 70A and the circular cylindrical through-hole 26A in a water-tight configuration. The non-circular cylindrical section 70B inserts into the non-circular cylindrical through-hole 26B to attach the output terminal 7 to the external case 2 in a manner that does not rotate.

A heat exchange system of the invention includes at least multiple grids, a blower including an external rotor motor and a wind blade, an inner side wall, a shock absorbing pad, a compressor, and a box having multiple exhaust inlets. The exhaust inlets are disposed on the side of the box. The grids are disposed at an exhaust outlet of the box. The blower is disposed in the box and below the grid. The compressor is disposed on a bottom surface in the box. The blower is an external rotor axial fan, and the wind blade is disposed outside a rotor of the external rotor motor. The shock absorbing pad is disposed between the grids and the external rotor motor.

An aerosol-generating system comprising moveable cartridge is disclosed. The aerosol-generating system comprises a housing (12), with an air inlet (14) and an air outlet (16) defining an air flow channel (18), a heater element (24) and a cartridge (10) moveably mounted in the housing (12) and reversibly displaceable from a first position into a second position. The cartridge (10) comprises a liquid storage portion (18) for holding an aerosol-generating liquid and has an opening for delivery of the aerosol-generating liquid, the cartridge further comprises a moveable plunger (28). When an airstream is created between the air inlet (14) and the air outlet (16), the cartridge (10) is moved by the airstream within the housing (12) and the movement of the cartridge (10) activates the release of a portion of the aerosol-generating liquid through the opening of the cartridge (10).

The invention relates to a vehicle-mounted seat for a child and particularly relates to a child barrel-shaped seat for a pedal type motorcycle and electric vehicle. The seat comprises a barrel body, a barrel cover for a child to sit and a barrel bottom detachably and fixedly connected with a pedal, and a guardrail is fixed above the barrel body. Compared with prior benches or seats, the child barrel-shaped seat has the advantages that the child seat is convenient to mount and dismount, safe and reliable and capable of accommodating articles.

The invention provides a large two-stroke diesel engine with a common fuel injection system. A fuel injection of a large two-stroke diesel engine includes a low pressure conduit, an intermediate pressure conduit, a high pressure common fuel rail. The control valves control the flow from the common fuel rail to the fuel injection valve. The fuel valve comprises a entry connected with control valve through injection conduit, and a exit connected with the low pressure conduit. The control valve connects the injection conduit with common rail when the fuel injection starts, and connects the injection conduit with low pressure conduit or intermediate pressure conduit when the fuel injection ends. The invention furthermore comprises valve gear for connecting the intermediate pressure conduit with injection conduit directly or by control valve, and for fuel cycle during outofoperation of engine.

An electric built-in lock for rifle trigger consists of a lock seat installed in rear of its receiver, batteries, a controlling circuit, and an electric actuator with a pushing screw rod and a locking hook. The electric lock makes rifle controlled effectively and safely, can be installed invisibly, unlocked quickly, and used for various conditions with good impact-resistance.

The invention provides a pneumatic shape based and controlled steel pipe lightning protection device, comprising a steel pipe lightning needle vertically mounted on the upper surface of an object to be protected; a plurality of holding hoops mounted at intervals from the bottom to the top of the steel pipe lightning needle to allow the installation of spoilers; and a plurality of spoilers mounted on each holding hoop of the plurality of holding hoops. The spoilers are provided with scattered vortex holes, and the spoilers with scattered vortex holes are used to reduce wind pressure and to suppress the occurrence of vortex-induced vibration. According to the technical schemes of the invention, the basic principle of pneumatic shape can be changed. The scattered vortex holes on spoilers, on one hand, increase the suppression effect on vortex induced vibration, and on the other hand, reduce the increase in wind pressure on the spoilers themselves.

The invention relates to a device (50; 60) comprising rigid connecting bars (51; 61) for conductively connecting first (30; 130; 230) to second (133; 233; 334) busbars, the contact sides (70; 170; 270, 173; 273; 374) of which run parallel to each other and which can be held together with the connecting bars (51; 61) by applying pressure with the help of a first and a second connecting mechanism (80, 80), each of which has a connecting bolt (81) extending transverse to the contact sides. Each of the connecting bars (51; 61) has a first contact surface (56; 66) to conductively contact the contact side (70; 170; 270) of one of the first busbars (30; 130; 230) while having a second contact surface (57; 67) to conductively contact the contact side (173; 273; 374) of one of the second busbars (133; 233; 334). In order to be able to even more easily connect the first and second busbars, especially when said busbars are pre-assembled in segments, e.g. in power module segments of a wind power plant, the connecting bars (51; 61) have a first (53; 63) and a second (54; 64) recess that is open on one side, namely on the side facing the connecting bolts (81), such that the connecting bars embrace the connecting bolts (81).

The invention discloses a full-metal soluble bridge plug. The full-metal soluble bridge plug comprises a seat sealing cylinder (1), an upper cone body (2) and a sealing cylinder (3), a lower cone body(4), a lower joint (5), a release rod (7), a conversion joint (8) and a seat sealing rod (9), the lower end of the seat sealing cylinder (1) is attached to the upper end surface of the upper cone body (2), the upper end of the seat sealing cylinder (1) is connected with an externally-arranged seat sealing tool, in the seat sealing barrel (1), the upper end of the conversion joint (8) is connectedwith the lower end of the seat sealing rod (9), the lower end of the conversion joint (8) is connected with the upper end of the releasing rod (7), the lower joint (5) is connected with the releasing rod (7) through threads, the lower joint (5) is connected with the lower cone body (4) through threads, one end of the lower cone body (4) is matched with one end of the sealing cylinder (3) throughthorn teeth, and the other end of the sealing cylinder (3) is matched with the upper cone body (2) through the thorn teeth. The full-metal soluble bridge plug has the characteristics of reliable anchoring, reliable pressure bearing, complete dissolution and the like.

In a method and a system for connecting a plurality of printed circuit boards (1) to at least one frame or carrier element (5), the following elements are provided:

• • a plurality of printed circuit boards (1), which are designed to have at least one coupling element (4) on at least one edge (2, 3),
  • at least one frame or carrier element (5) for coupling to a plurality of printed circuit boards (1) using coupling elements (6) that in each case complement at least one coupling element (4) of the printed circuit boards (1), wherein the printed circuit boards (1) can be coupled to the at least one frame or carrier element (5) by fitting the coupling elements (4, 6) of the printed circuit boards (1) and of the frame or carrier element (5), and wherein the at least one frame or carrier element (5) only surrounds or encloses the printed circuit boards (1) over a partial region of the circumference. In addition, a printed circuit board (1) and a frame or carrier element (5) for use in such a method and system are provided.

The invention relates to a fabricated anti-explosion and explosion reduction wall and a construction method thereof. The fabricated anti-explosion and explosion reduction wall comprises general steelplates, polyurethane foam aluminum and steel fiber concrete fabricated wall bodies and studs; the general steel plates, the polyurethane foam aluminum and the steel fiber concrete fabricated wall bodies form a double sandwich structure wall body from the outside to the inside; the studs are vertically and alternately welded on the inner sides of the general steel plates on both sides, the top endsof the studs penetrate through the polyurethane foam aluminum and are inserted into the inner portion of the steel fiber concrete fabricated wall bodies to serve as connecting pieces to connect the steel fiber concrete fabricated wall bodies with the steel plates of the surface layer, and the connection strength between concrete and the general steel plates is strengthened; and the end of the fabricated anti-explosion and explosion reduction wall is arranged as a tooth shape, and splicing different fabricated anti-explosion and explosion reduction walls is convenient. The fabricated anti-explosion and explosion reduction wall greatly improves the anti-explosion performance of the fabricated wall body, and at the same time, the steel plates on the concrete surface can effectively avoid thesecondary damage to personnel and equipment caused by the ejection of concrete fragments.