The present invention provides a ventilator. The ventilator includes a base, a driving device disposed on the base, an impeller coupled to the driving device and driven by the driving device, a housing for receiving the impeller therein, a first cover assembled with the housing, and a second cover assembled with the base. There is a closed area formed between the second cover and the base to recei...

The present invention provides a method to control the inflow/outflow of water-supplying system by temperature-control, which is applied on a water-supplying system to control a water-supplying system having plural water vats. The method to control the inflow/outflow of water-supplying system mainly comprises using a temperature sensor of a control circuit passing through a hot water vat. When the...

This invention provides a fluid controller capable of enhancing the heating efficiency in the case that warm water is used. An upper cover 11 forming an upper heat medium space S1 for retaining a heat medium between itself and the outer circumference of a cylinder portion 4 of a body 2 is put on the top face of a block 3 of the body 2. A lower cover 12 forming a lower heat medium space S2 for reta...

A natural gas liquefaction system, the system comprising a first precooling refrigeration system that accepts at least a natural gas feed stream, a second precooling refrigeration system that accepts at least a first refrigerant stream; and a cryogenic heat exchanger fluidly connected to the first precooling refrigeration system and the second precooling refrigeration system that accepts the natur...

The invention relates to a heat exchanger (1) for an annealing furnace for exchanging heat between two fluids, comprising a tubular profile which comprises heat exchanger fins on its outside jacket and which is associated on at least one face side (3) with a connecting flange (4) with at least one flow opening (8) for one of the two fluids, especially a hot gas. In order to provide advantageous co...

The present invention provides a composite plate type heat pipe whose interior has some mutually connected vacuum chambers, so that the vacuum pumping (outgassing) operation can be proceeded to the whole heat pipe by using a single outgassing opening. The outgassing opening can be disposed at any part connected to the heat pipe. One only needs to connect one of the vacuum chambers for proceeding t...

The present invention provides an insertion-pipe type composite heat pipe whose interior has some mutually connected vacuum chambers, so that the vacuum pumping (outgassing) operation can be proceeded to the insertion-pipe type composite heat pipe by using a single outgassing opening. It at least comprises: a seat plate component having a first vacuum chamber internally; a compression plate of sea...

A heat pipe includes an elongated tube, a main wick structure received in the tube and attached to an inner wall of the tube, at least an auxiliary wick structure received in the main wick structure and extending along an axial direction of the tube, and working fluid filled in the tube. At least one end of the auxiliary wick structure is fixed on an end of the tube.

A cooling arrangement for cooling a heat generating electrical component is disclosed, which arrangement comprises a heat spreading element (2) having a mounting surface (3) adapted to be thermally connected to the heat generating electrical component (1), and a heat rejection surface (4). The arrangement further comprises an enclosure (5) arranged to cover the heat rejection surface (4) and form ...

According to an embodiment of the present invention, there is provided a heat spreader including a condenser portion formed of a nanomaterial. The heat spreader further includes a first plate member, a second plate member, and a support portion. The first plate member includes a first surface, the first surface including a first area provided with the condenser portion. The second plate member inc...

A system for detachably connecting a first member (1) to a second member (2). The first member (1) comprises a portion (4) that is surrounded by a portion (5) of the second member (2). Said portions (4, 5) have surfaces of heat conductive materials for contacting each other in order to transfer heat between the two members (1, 2). The coefficient of thermal expansion of the material of the surroun...

A heat-exchange cleaning system is disclosed, which mainly comprises: a ball-collector; a driving device; a condenser; a collector; and plural cleaning balls. The ball collector has several inflow holes and outflow holes. The driving device is connected to the ball collector and has an outflow pipe, an inflow pipe, and a pump. The condenser is connected to the ball collector and has an inlet, an o...

A valve for controlling flow of pressurized fluid from a confined area that is operable to relieve overpressure condition as well as to allow flow of fluid in response to a pressure relief command. The valve including a valve body with a fluid passage therethrough, a reverse buckling rupture dise in the valve body in normally blocking relationship to the flow of fluid through the passage, and a se...

The invention describes a device and a method for generating explosions, comprising a pressure-resistant container (1) with a main explosion chamber positioned therein, comprising a supply line (9') for supply of a flowable, explodable material and a discharge opening (2) for a directed discharge of gas pressure generated by ignition of the explodable material. The discharge opening is hereby clos...

Provided is a pattern measuring apparatus and a pattern measuring method which can correctly measure the length of a pattern even if the width of an edge portion of the pattern is narrower than a beam diameter. The pattern measuring apparatus is equipped with a beam intensity distribution creating section which scans a reference pattern with the edge portion formed at right angles using a charged ...

This invention provides a machine movement track measuring device for measuring a movement track of a machine, in an apparatus for controlling the position of a machine, the controlling being performed by feeding back a detected position converted from a motor rotation angle and driving a plurality of motors 1 of movable spindles to cause the detected position to follow the designated position, th...

A screw thread inspecting method includes (A) a step of equipment configuration for providing a screw thread inspecting machine having a machine platen, a screw thread inspector and an automatic control device; (B) a step of calibration setting for placing a qualified work-piece on the machine platen, installing an inspection head matched with the screw hole of the qualified work-piece on the scre...

A person navigation device is arranged to generate screens whereby a user can request ETAs which have been personalised in respect of the users characteristics. Data obtained from trips undertaken by a user is stored and used in conjunction with standard pre-generated data to obtain more accurate ETAs.

The present invention relates to a network navigation system. The network navigation system includes a network server and several vehicle navigation structures. The network server includes a network receiving module, a packing module, and a network transmitting module. The network receiving module is configured for receiving current information of position, speed, direction and a number of navigat...

A navigation device comprising a locator for determining a location of the navigation device, a processor, an audio output device and/or a display controllable by the processor, and a store for map data and historical data. Said historical data comprises historical information about a location and a location identifier identifying the location. Said processor is arranged to control the audio outpu...