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1. 发明专利

DE10344787A1 Throttle valve opening/closing apparatus for internal combustion engine of vehicle, has return spring that actuates throttle valve to move to default position where aperture area of intake passage is minimum when motor is not working 未知
公开(公告)号：DE10344787A1
公开(公告)日：2004-06-03
申请号：DE10344787
申请日：2003-09-26
申请人： HITACHI LTD
发明人： SOSHINO MASAHIKO , KOWATARI TAKEHIKO , KADOMUKAI YUZO , EJIRI YUKI , ONO KENJI , KAMIMURA YASUHIRO , ISOZAKI NORIHIRO , WAYAMA EISUKE , ANDOH HITOSHI , TAKEUCHI YUTAKA
IPC分类号： F02D11/10 , F02D9/04
摘要： A throttle valve (18) actuated by a motor, is held in intake passage (19) of engine. A return spring actuates the throttle valve to move to default position where aperture area of the passage is minimum when motor is not working. The aperture area of the passage is enlarged by moving the valve from default position.

2. 发明专利

DE19580750T1 未知
公开(公告)号：DE19580750T1
公开(公告)日：1996-10-17
申请号：DE19580750
申请日：1995-06-13
申请人： HITACHI LTD
发明人： KOWATARI TAKEHIKO , ARAI NOBUKATSU , KOBAYASHI CHIHIRO
IPC分类号： G01F1/68 , F02D41/18 , F02D45/00 , G01F1/00 , G01F1/696 , G01F1/698 , G01F1/72
摘要： PCT No. PCT/JP95/01178 Sec. 371 Date Feb. 13, 1996 Sec. 102(e) Date Feb. 13, 1996 PCT Filed Jun. 13, 1995 PCT Pub. No. WO95/34753 PCT Pub. Date Dec. 21, 1995An air flow rate measuring apparatus for measuring an intake air amount of an internal combustion engine by use of a thermal air flow meter comprises means inputted with the output of the thermal air flow meter for correcting a response delay of the output and outputting the corrected output, and means inputted with the output of the correcting means for transforming it to a value corresponding to an air flow rate on the basis of the characteristic of the thermal air flow meter stored beforehand.

3. 发明专利

IN8931DEN2014A MARKER FOR MOBILE COMMUNICATION 未知
公开(公告)号：IN8931DEN2014A
公开(公告)日：2015-05-22
申请号：IN8931DEN2014
申请日：2014-10-24
申请人： HITACHI LTD
发明人： UEKI YOSUKE , OHUCHI NAOKI , ARATAMA YUYA , MATSUSHIMA KIYOTO , KOWATARI TAKEHIKO
IPC分类号： H04B1/59 , B61L3/12 , H05K7/20
摘要： Provided is a marker for mobile communication that controls temperature increase of an electronic circuit board due to daytime insolation and temperature decrease due to nighttime radiation cooling and effectively balances heat dissipation of heat generated from electronic parts mounted on the circuit board. A wireless communications marker (1) established above ground characterized in having between the electronic circuit board (9) and the top surface of a housing (7) an insulation layer such as an air layer a vacuum layer a foam material layer or a fiber material layer and characterized in that the portion below the electronic circuit board (9) comprises only a material with higher heat conductivity than the insulation layer.

4. 发明专利

DE10115442A1 未知
公开(公告)号：DE10115442A1
公开(公告)日：2001-10-25
申请号：DE10115442
申请日：2001-03-29
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： AMOU KIYOSHI , OKAMOTO YOSHIO , KOWATARI TAKEHIKO , MIYAJIMA AYUMU , KADOMUKAI YUZO , ISHIKAWA TORU , NAGANO MASAMI , ICHIHARA TAKANOBU , SAEKI HIROAKI , WATANABE KENJI
IPC分类号： F02M61/16 , F02M69/32 , F02M69/08 , F02M31/02
摘要： Atomizing air flowing in an atomizing gas passage is merged with a fuel spray to promote atomization of the fuel, and carrier air flowing in a carrier gas passage is merged with the fuel spray at a further downstream position so as to surround the fuel spray. By doing so, the atomized fuel spray is carried to the downstream side so as to prevent the fuel spray from adhering onto the wall surface. The starting-up performance, fuel consumption and exhaust gas cleaning of an internal combustion engine are improved in this way.

5. 发明专利

DE19652026C2 未知
公开(公告)号：DE19652026C2
公开(公告)日：2000-03-23
申请号：DE19652026
申请日：1996-12-13
申请人： HITACHI LTD
发明人： KOWATARI TAKEHIKO , ARAI NOBUKATSU , UCHIYAMA KAORU , KOBAYASHI CHIHIRO , IGARASHI SHINYA
IPC分类号： G01F1/68 , F02D41/18 , F02D45/00 , G01F1/696
摘要： A digital signal obtained by A/D converting an output of a thermal type air flow meter is supplied along two paths. After a time constant is obtained in one path, inverse-transformation is performed to obtain an error together with an output of the other path. The inverse-transformed signal is linearized on the basis of the characteristic of the thermal type air flow meter, and a direction of flow is determined.

6. 发明专利

DE602005004861T2 未知
公开(公告)号：DE602005004861T2
公开(公告)日：2008-06-12
申请号：DE602005004861
申请日：2005-03-10
申请人： HITACHI LTD
发明人： KOWATARI TAKEHIKO , IMURA SHINYA , MATSUZAKI NORIKAZU , FUJIWARA SHIN , YAMAMOTO TATSUYUKI , YAMAMOTO DAISUKE
IPC分类号： B60K13/02 , B60K6/44 , B60K6/52 , B60K6/54 , B60L50/16 , B60W10/08 , B60W10/30 , B60W20/00
摘要： The invention relates to a hybrid car capable of stably ensuring the bad road running property, obtaining large acceleration in a satisfactory road surface state, and simultaneously when no large acceleration is required, running with fuel consumption kept unchanged is provided. The hybrid car is composed of an engine (1) for driving either of front wheels (2) and rear wheels (8), a generator (10) driven by the engine, a wheel driving motor (14) for driving engine non-driven wheels by power of the generator, a supercharger driving motor (1 b) for driving a supercharger (1 a) by the generator, a power distributor (12) adjusting power quantity for distributing the power from the generator to the supercharger motor and wheel driving motor, and a controller (7) for inputting information of wheel speed sensors (3a) and (3b) and controlling power distribution of the distributor.

7. 发明专利

DE69738009T2 未知
公开(公告)号：DE69738009T2
公开(公告)日：2008-04-30
申请号：DE69738009
申请日：1997-09-19
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： ARAI NOBUKATSU , KOWATARI TAKEHIKO , UCHIYAMA KAORU , IZUMI WATANABE , IGARASHI SHINYA
IPC分类号： G01F1/684 , G01P5/12 , G01F1/68 , G01F1/69 , G01F15/04
摘要： The invention relates to a thermal type flow meter comprising a support member (4) formed by a material of which the coefficient DELTA lambda of temperature of the thermal conductivity is small. The absolute value of the output error can be decreased to a value smaller than the prior art by a bridge circuit provided with a temperature compensating element (5) and several constant resistors.

8. 发明专利

DE602005004861D1 未知
公开(公告)号：DE602005004861D1
公开(公告)日：2008-04-03
申请号：DE602005004861
申请日：2005-03-10
申请人： HITACHI LTD
发明人： KOWATARI TAKEHIKO , IMURA SHINYA , MATSUZAKI NORIKAZU , FUJIWARA SHIN , YAMAMOTO TATSUYUKI , YAMAMOTO DAISUKE
IPC分类号： B60K13/02 , B60K6/44 , B60K6/52 , B60K6/54 , B60L50/16 , B60W10/08 , B60W10/30 , B60W20/00
摘要： The invention relates to a hybrid car capable of stably ensuring the bad road running property, obtaining large acceleration in a satisfactory road surface state, and simultaneously when no large acceleration is required, running with fuel consumption kept unchanged is provided. The hybrid car is composed of an engine (1) for driving either of front wheels (2) and rear wheels (8), a generator (10) driven by the engine, a wheel driving motor (14) for driving engine non-driven wheels by power of the generator, a supercharger driving motor (1 b) for driving a supercharger (1 a) by the generator, a power distributor (12) adjusting power quantity for distributing the power from the generator to the supercharger motor and wheel driving motor, and a controller (7) for inputting information of wheel speed sensors (3a) and (3b) and controlling power distribution of the distributor.

9. 发明专利

DE102006054159A1 Power steering system for vehicle, has unit controlling drive of rear wheel side actuator so that opposing driving torques are produced on rear wheels based on steering condition in halting condition, in normal and backward conditions 未知
公开(公告)号：DE102006054159A1
公开(公告)日：2007-05-31
申请号：DE102006054159
申请日：2006-11-16
申请人： HITACHI LTD
发明人： MIYAJIMA AYUMU , TAKAHASHI TORU , YAMAGUCHI NAOSHI , YAMAKADO MAKOTO , ICHINOSE MASANORI , KOWATARI TAKEHIKO , YOKOYAMA ATSUSHI
IPC分类号： B60W30/18 , B60W10/04 , B60W10/18 , B60W10/20 , B62D5/07 , B62D5/09 , B62D6/00 , B62D11/08 , B62D101/00 , B62D113/00 , B62D119/00
摘要： The system (1) has a rear wheel actuator control unit (17), which controls a drive of a rear wheel side actuator in such a manner that opposing driving torques are produced on respective rear wheels based on a steering condition in a halting condition of a vehicle, in normal and backward conditions. The driving torque is produced on one of the wheels, when braking force is produced on the other wheel.

10. 发明专利

DE19952294B4 未知
公开(公告)号：DE19952294B4
公开(公告)日：2005-12-08
申请号：DE19952294
申请日：1999-10-29
申请人： HITACHI LTD
发明人： AONO TOSHIHIRO , KOWATARI TAKEHIKO
IPC分类号： G01F1/68 , F02D41/18 , F02D45/00 , G01F1/69 , G01F1/696
摘要： An intake air flow rate measurement apparatus for measuring a flow rate of intake air taken in an internal combustion engine, using an electrothermal resistor type air flowmeter, includes a delay/non-linearity correction part to perform correction of an output signal of the electrothermal resistor type air flowmeter for a response delay and a non-linearity of the electrothermal resistor type air flowmeter; a waveform feature value extraction part to extract feature values of a waveform of an output signal which has been sent from said electrothermal resistor type air flowmeter and has been corrected for said response delay and non-linearity by the delay/non-linearity correction part; a back flow calculation part to obtain a back flow ratio based on the extracted waveform feature values; and a flow rate calculation part to obtain a correct flow rate of the intake air based on an output of the delay/non-linearity correction part and an output of the back flow ratio calculation part.

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