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Assignee: Bosch Automotive Systems Corporation


Location: Tokyo, JP
No. of patents: 30

NumberTitleIssue Date
7513756Fuel supply pump and tappet structure body
A fuel supply pump with a large fuel discharge amount and a tappet structure body, which are suitably used for an accumulated pressure-type fuel injection device that mechanically amplifies pressure, is provided. A fuel supply pump has a tappet structural body and a...
04/07/2009
7341205Fuel injection nozzle for DME fuel, and diesel engine including the fuel injection nozzle for DME fuel
An existing diesel engine vehicle of light oil fuel is enabled to run as a diesel engine vehicle using DME as fuel without exchanging a whole diesel engine and at very low cost and easily. The shape of a tip part 21 of a needle valve 2 is set by a cent...
03/11/2008
7293551Liquefied gas-fuel supply device for diesel engine
Since an aspirator 7 is disposed at a position lower than a fuel gallery 11 and an overflow fuel pipe 81, DME fuel remaining in the fuel gallery 11 and the overflow fuel pipe 81 can be more efficiently retrieved to a fuel tank 4...
11/13/2007
7264642Exhaust gas cleaning apparatus
In an exhaust gas cleaning apparatus (30) in which a before and after differential pressure (ΔP) of a filter (32) used to trap particulates is detected for regeneration of the filter (32), a time at which, during filter regeneration, the temper...
09/04/2007
7216634Diesel engine DME fuel supply device
A bypass controller (30) controls ON/OFF of a three-way electromagnetic valve (62) according to a detection value of a cam chamber sensor (12a). When the cam chamber sensor (12a) detects a viscosity of lubricant exceeding a ...
05/15/2007
7177754Exhaust gas recirculation apparatus
In an electronic control unit 31, a duty conversion map 41 from which a driving duty in energizing and driving an electromagnetic coil, not shown, of an electromagnetic vacuum adjustment valve 12 on the basis of a variable equivalent to target q...
02/13/2007
7045075Ceramic material and piezoelectric element using the same
A ceramic material has piezoelectric characteristics, can be sintered at low temperature, and is suited to various piezoelectric devices. The ceramic material primarily includes Pb, Zr, and Ti and has the general formula ABOd, in which A is (Pb1−a
05/16/2006
7040717Negative pressure boosting device
In a negative pressure boosting device of the present invention, upon depression of a pedal at a normal speed, an input shaft 11 and a valve plunger 10 move forward to close a vacuum valve 15 and open an atmospheric valve 16 and a power p...
05/09/2006
7019625Vehicle electronic control system with anti-theft capability and method of controlling a vehicle engine
Unit-specific identification data (IDA, IDB) of a transmission electronic control unit (5) and an engine electronic control unit (4) are stored in memories (5A, 4A), and engine start data (DES) required for starting an engine (2) a...
03/28/2006
7007670Fuel injection device
In a state in which a high-pressure control solenoid valve is driven to control the pressure in a common rail (refer to Step S100), when the pressure in the common rail exceeds a predetermined value (refer to Step S104), a driving current determined by...
03/07/2006
6955626Differential gearing unit for vehicle
A sun gear 6 is concentrically, rotatably disposed inside an internal gear 4. Plural planet gears 8, carried by a planetary carrier 10, are disposed between and in meshing engagement with the internal gear 4 and the sun gear 6. ...
10/18/2005
6955156Injection pump and fuel DME feed device of diesel engine with the injection pump
In an injection pump element 2, a communication route for communicating an injection pipe 3 connected to a fuel liquid outlet 212 and an inner peripheral surface of a plunger barrel 25 is formed by a purge passage 242 formed in a d...
10/18/2005
6912983Fuel injection device
In a state in which a high-pressure control solenoid valve is driven to control the pressure in a common rail (refer to Step S100), when the pressure in the common rail exceeds a predetermined value (refer to Step S104), a driving current determined by...
07/05/2005
6893374Planetary gear apparatus
Five receiving holes 2e extending along the axis of a circular cylindrical portion 2b of a housing are formed in the circular cylindrical portion 2b. Those five receiving holes 2e are arranged at equal interval...
05/17/2005
6866607Planetary gear device
A receiving portion 2e for rotatably receiving therein a planetary gear 3, is formed between a plurality of retaining protrusions 2d of a carrier. A connection portion 2f extending annularly about a rotation axis L is...
03/15/2005
6843160Negative pressure brake booster
A tubular member 18 is slidably fitted into a valve body, and is formed with a vacuum valve seat 21. The tubular member 18, a valve plunger 16 and the valve body 3 are maintained in their inoperative positions shown by abutment aga...
01/18/2005
6827662Combined differential gear device
A planetary gear mechanism 3 is provided at one end portion of a housing 2 in a direction of the rotation axis L. The mechanism 3 includes a planetary gear 31 disposed at the housing such that the planetary gear is rotatable about its own...
12/07/2004
6802240Booster
A base 36A of an output shaft 36 is made up of a rod member 36B, and a holder 43 having a bottom 43A. A stop 42 is formed separately from the holder. The holder has a reduced diameter portion 43B, in which an outer co...
10/12/2004
6796922Planetary gear device
A planetary gear 5 is contacted at its at least one tooth of all its teeth 51n with an end edge 23d facing an inner releasing part 23c of an inner peripheral surface of a receiving hole 23a irrespect...
09/28/2004
6782794Negative pressure boosting device
In a negative pressure boosting device, a movable valve seat is air-tightly and slidably disposed in a concavity of a valve body. The movable valve seat and a valve element compose a vacuum valve. A servo ratio changing device includes a control spring compressed an...
08/31/2004
6769413Fuel injection pump
A fuel injection pump includes a cam shaft (7) driving a plunger (4) and a feed pump (3) assembled therein for feeding fuel pressured by the plunger (4). A flange part (52) projecting radially is provided on the cam shaft (7...
08/03/2004
6763808Fuel pump and fuel feeding device using the fuel pump
A fuel injection pump includes a plurality of plungers and a cam shaft having a plurality of drive cams (31, 32) corresponding to the plungers. The cam shaft is rotated by a power from the outside so as to reciprocate the plurality of plungers by the correspo...
07/20/2004
6748847Brake booster
A brake booster 1 includes a valve mechanism 6, and a solenoid 8 which operates the valve mechanism 6. When the solenoid 8 is energized, a solenoid plunger 26 and a valve seat member 11 move rearward relative to a val...
06/15/2004
6742437Valve mechanism of booster
When a booster is inoperative, a first atmosphere valve and a second atmosphere valve are both closed to block a communication of an orifice passage with a variable pressure chamber. At the commencement of operation of the booster, the first atmosphere valve opens w...
06/01/2004
6729991Combined differential gear device
A housing (10) has a planetary gear mechanism (20) composed of an inner gear (21), a planetary gear (22) and a sun gear (23), which mechanism is disposed within the housing (10) on its outer periphery side. The inner gear (
05/04/2004
6715401Brake booster
During a normal brake operation, a brake reaction from a reaction disc is transmitted to a valve plunger through an outer plunger and an inner plunger. During an emergency brake operation, as a valve plunger is driven forward through a given stroke relative to a val...
04/06/2004
6685282Method for operating reference speed in anti-lock braking control and anti-lock braking system
When a method for operating a reference speed judges that an ABS control is being executed, the method judges whether the ABS control is being executed to a front wheel or not. When the method judges that the ABS control is not executed to the front wheel...
02/03/2004
6682153Method for detecting output-stuck fault of car body acceleration sensor, apparatus for detecting output-stuck fault of car body acceleration sensor, and anti-lock braking system for car
By a method for detecting an output-stuck fault of a car body acceleration sensor, an absolute value of a relative difference between the logical car body acceleration operated on the basis of a wheel speed and the physical car body acceleration output fr...
01/27/2004
6652040Brake fluid pressure generating device
A brake fluid pressure generating device includes a first valve element connected to an input shaft, a first force device connected to the first valve element to provide a counter force relative to a force applied to the first valve, a second valve elemen...
11/25/2003
6396379Coil device
In a coil device (1) which has a plurality of winding drums (6) on a bobbin (2) with a partition (5) formed between flanges (3), (4) at both ends of the bobbin, the partition (5) has a slit (7) through which a wire (w) is passed, and among winding pitches...
05/28/2002
 
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