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    • 51. 发明专利
    • AUTOMATIC SAMPLE BOTTLE CARRYING DEVICE
    • JPH0312554A
    • 1991-01-21
    • JP14534689
    • 1989-06-09
    • HITACHI LTDHITACHI NAKA SEIKI KK
    • SHIKIMA NOBUYOSHISAITO KOJIOKAZAKI TSUTOMU
    • G01N35/04G01N30/24
    • PURPOSE:To execute automatic carrying with high reliability by relaying a sample bottle from a sample bottle receiver of an automatic sample injecting device attached to each gas chromatograph to the next sample bottle receiver by an adjacent pick & place. CONSTITUTION:For instance, a No.1 sample bottle of a sample bottle store table 6 is analyzed by a gas chromatograph 1b. The table 6 rotates and carries the No.1 bottle to a position in which a pick & place 3a picks it up. Subsequently, the place 3a picks it up, rotates and stops as shown by a chain line, descends to a sample bottle receiver A of an automatic sample injecting device 2a and sets it down. Next, a bottle receiver 11a rotates and stops. Next, a pick & place 3b picks up the No.1 bottle, rotates and descends to a position of a bottle receiver Bb, opens a chuck and releases the No.1 bottle. Next, by an operation of an automatic sample injecting device 2b, the bottle receiver Bb is rotated until the No.1 bottle reaches a sample suction position, the sample is sucked, injected automatically into the chromatograph 1b, and the analysis is started. In such a way, the stored 6 sample bottle is analyzed one after another.
    • 52. 发明专利
    • TURBOCHARGER
    • JPS63306233A
    • 1988-12-14
    • JP14147387
    • 1987-06-08
    • HITACHI LTD
    • TAKATANI TOTOUCHIYAMA KYOICHIOKAZAKI TSUTOMU
    • F02B37/22F02B37/12F02B39/00
    • PURPOSE:To make a flow running out of a high speed nozzle part at an engine high speed driving area to be hard to collide with that running out of a low speed nozzle part and thereby reduce a collision loss by making the nozzle part of a high speed scroll chamber so as to rise in the radial direction. CONSTITUTION:At a high engine speed area, exhaust gas out of an engine flows into a turbine wheel 4 by two low-high speed scroll chambers 2a and 2b partitioned off by a partition wall 1 and their nozzle parts 3a and 3b. A flow out of the low speed nozzle part 3a installed in opposition to a turbine wheel inlet part 4a smoothly flows into the turbine wheel 4. In a flow out of the high speed nozzle part 3b as well, since a nozzle part casing wall surface 6 is made to rise in the radial direction of the turbine wheel 4, making a nozzle part central axis come nearer to the radial direction, such a possibility that the flow out of the nozzle part 3a might collide with that out of the nozzle part 3b is prevented from occurring.
    • 53. 发明专利
    • PRESSURE CONTROLLING ACTUATOR
    • JPS62121830A
    • 1987-06-03
    • JP25853885
    • 1985-11-20
    • HITACHI LTD
    • TAKATANI TOTOOKAZAKI TSUTOMU
    • F02B37/18F02B37/12
    • PURPOSE:To keep off a sudden rise in supercharging pressure, by using a first cylinder changer having the movable member perforated with fine holes and a second cylinder chamber having the movable member energized of its spring force in a reactive direction. CONSTITUTION:At the time of starting, since a turning shaft 22 comes into a noncontact state from a state of being contacted with a bearing part of a pneumatic bearing 24, each revolving speed of this turning shaft 22 and a compressor impeller 23 suddenly goes up, whereby supercharging pressure 28 at a compressor outlet suddenly goes up as well. This supercharging pressure works on a pressure receiving surface 5a of a first movable member and a second movable member 14 from a pressure branch pipe 29, overcoming spring force of an elastic body 16, thus it opens and exhaust bypass valve 20. After the elapse of several seconds, the supercharging pressure is transmitted to a divided chamber 9b through a small hole 10, so that force working on an A pressure receiving surface 5a and a B pressure receiving surface 5b of the first movable member is well balanced, thus an exhaust bypass valve 20 is closed. At an engine high speed range, the supercharging pressure grows larger than the spring force of the elastic body 16 so that the exhaust bypass valve 20 opens.
    • 54. 发明专利
    • Exhaust turbo-supercharger
    • 排气涡轮增压器
    • JPS60212623A
    • 1985-10-24
    • JP6905284
    • 1984-04-09
    • Hitachi Ltd
    • OKAZAKI TSUTOMUUCHIYAMA KIYOUICHI
    • F02B37/18F01D17/14F01D17/18F02B37/12F02B37/22
    • F02B37/22F01D17/146F01D17/18F02B37/025Y02T10/144
    • PURPOSE:To produce an excellent supercharging pressure throughout a wide operation range, by a method wherein the interior of the casing of a turbine is divided into two scroll chambers by a partition, and exhaust gas, flowing through the scroll chamber, is controlled according to the operation condition of an engine. CONSTITUTION:Under a condition in which a control valve 11 closes a hole 10, exhaust gas at an inlet 6 of a turbine is concentrated to a nozzle part 5a through an open scroll chamber 8. The concentrated exhaust gas increases a velocity of flow at an inlet of a turbine impeller 2 and increases the output of the turbine to increase a supercharging pressure. When the supercharging pressure exceeds a given value, a bellows 16 presses a shaft 14a of an actuator 14 against a spring 15. As a result, the control valve 11 opens the hole 10, and the open scroll 8 is brought into communication with a closed scroll 9. This causes exhaust gas to flow through nozzle parts 5a and 5b into the turbine impeller 2 and prevent generation of an excess supercharging pressure.
    • 目的:为了在广泛的运行范围内产生良好的增压压力,通过一种方法,其中涡轮机壳体的内部通过隔板分成两个涡旋室,并且流过涡旋室的废气根据 发动机的运行状态。 构成:在控制阀11关闭孔10的状态下,在涡轮机的入口6处的废气通过开口涡旋室8集中到喷嘴部5a。浓缩废气增加了在 涡轮机叶轮2的入口并增加涡轮机的输出以增加增压压力。 当增压压力超过给定值时,波纹管16将致动器14的轴14a抵靠弹簧15按压。结果,控制阀11打开孔10,打开的涡卷8与封闭的 这使得废气通过喷嘴部分5a和5b流入涡轮叶轮2,并且防止产生过量的增压压力。
    • 55. 发明专利
    • SUPERCHARGER FOR EXHAUST TURBINE
    • JPS6045722A
    • 1985-03-12
    • JP15155983
    • 1983-08-22
    • HITACHI LTD
    • OKAZAKI TSUTOMU
    • F02B39/00F01D15/08F01D25/12F01D25/16F02B39/16F02C7/06
    • PURPOSE:To absorb heat conducted from the turbine rotor side for preventing a seal portion of a bearing from overheat even if the supply of lubricating oil is interrupted during stoppage of an internal combustion engine, by enclosing low melting point metal in a supercharge member around a bearing. CONSTITUTION:During the running of an engine, a turbine rotor 1 and a turbine housing 9 are exposed to exhaust gas of about 800 deg.C to have high temperature, while the interior of a bearing housing 4, particularly radial bearings 5, 6 are lubricated by lubricating oil to be cooled for preventing the lubricatiung oil from carbonization. When the internal combustion engine is abruptly stopped, a oil supply pump for supplying lubricating oil is simultaneously stopped so that the cooling effect disappears in the lubricating oil. While high temperature of a turbine section is transmitted to a seal portion 3a and the radial bearing 5, temperature of the turbine side seal portion 3a is prevented from excessive rise by utilizing low melting point metal 14.
    • 57. 发明专利
    • Gaschromatograph
    • 气相色谱
    • JPS5774659A
    • 1982-05-10
    • JP15072380
    • 1980-10-29
    • Hitachi Ltd
    • NAGAI HISAAKIOKAZAKI TSUTOMU
    • G01N30/16B01D15/08G01N30/10G01N30/12G01N30/20G01N30/38
    • G01N30/20G01N2030/383
    • PURPOSE:To make it possible to cancel effectively the effect of the sample residue by arranging two fluid inlets and one fluid outlet in the sample injecting chamber, and constructing a flow-route select mechanism to change the fluid inlet and a closing mechanism for the flow outlet. CONSTITUTION:A sample is led into a sample injecting chamber 1 through a rubber stopper 5 by an injecting needle, and sent to a column 3 and a detecter 4 by carrier gas introduced from a carrier gas inlet 2 through a flow-route switching valve 7. At this time, a stop valve 12 connected to a gas outlet 10 is closed. Therefore, the sample is sent to the column 3. A part of carrier gas flows all the time to the sample injecting chamber 1 through a flow-route resistance 8. When all the sample reaches at the column 3, the stop valve 12 is opened and the flow-route switching valve 7 is switched. Flow of carrier gas is divided to the column and to the gas outlet 10. High boiling point residue left in the chamber 1 after injecting the sample is exhausted through the gas outlet 10 by a part of carrier gas. The sample in the column 3 is sent to the detecter 4 by the other part of carrier gas.
    • 目的:通过在样品注射室中设置两个流体入口和一个流体出口,可以有效地取消样品残留物的影响,并构建一个流路选择机构来改变流体入口和流体的关闭机构 出口。 构成:通过注射针将样品通过橡胶塞5引入样品注入室1中,并通过流路切换阀7从载气入口2引入的载气送入柱3和检测器4 此时,连接到气体出口10的截止阀12关闭。 因此,样品被送到柱3.一部分载气通过流路阻力8一直流到样品注入室1.当所有样品到达柱3时,截止阀12打开 并且切换流路切换阀7。 载气的流动被分成柱和气体出口10.在注入样品之后留在室1中的高沸点残余物通过气体出口10被一部分载气排出。 列3中的样品被载气的另一部分送到检测器4。
    • 58. 发明专利
    • AIRRFLOW DEFLECTING DEVICE FOR AIR CONDITIONER
    • JPS5677632A
    • 1981-06-26
    • JP15294579
    • 1979-11-28
    • HITACHI LTD
    • KAWABATA TOSHIAKITAKAHASHI KUNIHIROOKAZAKI TSUTOMU
    • F24F1/00
    • PURPOSE:To provide an arrangement capable of changing the air discharging direction considerably without increasing pressure loss, by controlling the turning speed of a pair of impellers disposed adjacently to each other for rotation in opposite directions. CONSTITUTION:A pair of through-type impellers 1, 2 are disposed adjacently to each other, so that they are rotated in opposite directions to each other. Air flow produced by one impeller 1 is drawn near to a guide wall 3 but air flow produced by the other impeller 2 is drawn near to another guide wall 4. When these two impellers 1, 2 are rotated at the same speed, the air flow is spread symmetrically from the center. However, when the impeller 1 is rotated at a high speed but impeller 2 is rotated at a low speed, the air flow is deflected toward guide wall 3. On the other hand, when impeller 1 is rotated at a low speed but impeller 2 is rotated at a high speed, air flow is deflected toward another guide wall 4. Therefore, it is enabled to change the air diffusing direction freely or automatically by controlling the turning speed of impellers 1, 2.
    • 59. 发明专利
    • DUPLEX TYPE DETECTOR FOR GAS CHROMATOGRAPH
    • JPS54145190A
    • 1979-11-13
    • JP5272978
    • 1978-05-04
    • HITACHI LTD
    • OKAZAKI TSUTOMU
    • G01N30/78
    • PURPOSE:To achieve the miniaturization and higher performance of the duplex type detector by integrally constituting a heat conductivity type detector and other detector and communicating the passes thereof with a straight pass. CONSTITUTION:In the duplex type detector for gas chromatograph comprising series connecting plural detectors of different detection characteristics to the carrier gas pass after the column of the gas chromatograph, the plural detectors are constituted by a heat conductivity type detector (TCD) 6 and a kind other than TCD for flowing the carrier gas effluent therefrom, e.g., hydrogen flame ionization detector (FID) 8, the gas outlet of the TCD 6 and the gas inlet of the FID 8 of the rear stage being connected by a linear pass. Since the pass flowing from the TCD 6 to the FID 8 is linear and is extremely short, diffusion of the sample components measured by the TCD 6 is obviated and the separating condition of the sample components is not degraded. In addition the constitution becomes simple and smaller in size.