Patents Assigned to Bosch Corporation
-
Patent number: 9716522Abstract: To reduce the size of a radio communication module installed in a vehicle by simplifying the structure thereof. A radio communication module 100 includes a board 170 on which electronic components 172 for radio communication are mounted and a housing 110 accommodating the board 170 and is installed in the vehicle. The board 170 has a hole 180 into which a pin 150 standing in the housing 110 is inserted to fix the board 170 in the housing 110 by inserting the pin 150 to the hole 180. The pin 150 functions as an antenna for transmitting and receiving a signal in the radio communication.Type: GrantFiled: March 21, 2014Date of Patent: July 25, 2017Assignee: Bosch CorporationInventors: Fevzi Yildirim, Yasuaki Kurita, Wilko-Gordon Block, Hiroshi Toida
-
Patent number: 9683742Abstract: A pressure sensor integrated glow plug inserted inside a cylinder of an internal combustion engine and used, the pressure sensor integrated glow plug being equipped with a housing, a rod-like heater element held with its distal end projecting from the housing, and a pressure sensor, with the heater element being held in the housing by a flexible member and configured in such a way that its position relative to the housing is displaceable, and with the pressure sensor being configured in such a way that it can receive pressure inside the cylinder because of the displacement of the heater element, wherein a heat-resistant fiber member carrying an oxidation catalyst component is disposed in an interstice between the housing and the heater element on the distal end side of the flexible member.Type: GrantFiled: June 20, 2013Date of Patent: June 20, 2017Assignee: Bosch CorporationInventor: Katsumi Takatsu
-
Patent number: 9533664Abstract: A method of manufacturing a plate plunger with which a reaction disc comes into contact and which determines a servo ratio of a vacuum booster, the plate plunger manufacturing method comprising primarily processing a plate plunger base material in such a way that an outer peripheral diameter of a reaction disc contact surface of the plate plunger becomes equal to or greater than an outer peripheral diameter, and forming the reaction disc contact surface of the plate plunger in such a way that it has an outer peripheral diameter corresponding to a desired servo ratio by secondarily processing a servo ratio determination surface.Type: GrantFiled: July 30, 2015Date of Patent: January 3, 2017Assignee: Bosch CorporationInventor: Hiroyuki Yamaga
-
Patent number: 9482134Abstract: To provide a reducing agent supply apparatus that makes it hard to refill the pump side with a liquid reducing agent upon completion of the suck back control of the liquid reducing agent and a method for control the reducing agent supply apparatus. The method for controlling the reducing agent supply apparatus pressure-feeds the liquid reducing agent in a storage tank using a pump and injects the liquid reducing agent into an exhaust passage of the internal combustion engine through a reducing agent injection valve when the internal combustion engine is operating and, when the internal combustion engine stops, sucks the liquid reducing agent remaining in a reducing agent supply path back to the storage tank, in which the suck back control starts when the internal combustion engine stops and, when the suck back control ends, a reducing agent passage interconnecting the pump and the storage tank is opened to air.Type: GrantFiled: December 19, 2013Date of Patent: November 1, 2016Assignee: Bosch CorporationInventor: Shigehiro Ohno
-
Patent number: 9464617Abstract: A glow plug driving control apparatus. The glow plug driving control apparatus includes a glow switch 2 and a glow plug 1 which are connected in series between a power supply and ground, and an electrical controlling unit 101 which controls opening and closing of the glow switch 2, and that can perform energization driving of the glow plug 1. The glow plug driving apparatus also includes an energization path switching switch 5 that connects in series a stability coil 3 in a serial connection path of the glow switch 2 and the glow plug 1 at the time of an energization start of the glow plug 1, and after the energization start, causes both the glow switch 2 and the glow plug 1 to return to a serial connection state between the power supply and the ground.Type: GrantFiled: November 5, 2012Date of Patent: October 11, 2016Assignee: Bosch CorporationInventors: Yoshihito Fujishiro, Tomohiro Nakamura, Yutaka Tanaka
-
Patent number: 9453491Abstract: The presence or absence of degradation and abnormality is determined with high reliability by measuring a resistance value of a glow plug, which is in an operating state, as a latest resistance value. A method then determines whether or not the rate of the change of the latest resistance value with respect to an initial resistance value of the glow plug exceeds a first predetermined value. The method also determines whether or not the rate of the change of the latest resistance value with respect to a last resistance value that is a resistance value of the glow plug, which has been recently measured at the time of the acquisition of the latest resistance value, exceeds a second predetermined value when the rate of change of the latest resistance value with respect to the initial resistance value of the glow plug exceeds the first predetermined value.Type: GrantFiled: August 13, 2012Date of Patent: September 27, 2016Assignee: Bosch CorporationInventors: Yutaka Tanaka, Tomohiro Nakamura, Yoshihito Fujishiro, Yasuo Toyoshima, Yasushi Hiratsuka
-
Patent number: 9435308Abstract: It is an object of the present invention to reduce the penetration of a fuel spray directed toward a certain area in a cylinder, thereby reducing oil dilution that increases sliding resistance in the engine, reducing fuel adhesion or the like onto the cylinder liner, and also reducing the adverse effect of a fuel spray having an increased penetration. A fuel injection valve that has a plurality of injection holes and injects fuel into a cylinder 3 of an internal combustion engine includes: injection holes a2 and a6 having a larger diameter for injecting fuel toward a ring-shaped space T1 including areas A2 and A6 of strong tumble flow T formed in the cylinder; and injection holes a1, a4, a3 and a5 having a smaller diameter for injecting fuel toward a space including areas A1, A4, A3 and A5 of weak tumble flow formed in the cylinder 3.Type: GrantFiled: July 4, 2012Date of Patent: September 6, 2016Assignee: Bosch CorporationInventors: Kaoru Maeda, Yuichiro Goto, Wolfram Wiese, Daniel Scherrer
-
Patent number: 9394874Abstract: The accuracy in controlling the heating temperature of a glow plug and the reliability of the control operation are improved. An electronic control unit 101 is configured such that a standard applied voltage for glow plugs 50-1 to 50-n is set according to the engine speed and the load conditions of the engine. In addition, a correction coefficient set in advance according to the temperature classification of the mounted glow plugs 50-1 to 50-n is readably stored in the electronic control unit 101 as a correction coefficient map. By multiplying the standard applied voltage by a correction coefficient K read from the correction coefficient map and applying a voltage of the multiplication result to the glow plugs 50-1 to 50-n as a driving voltage through the power circuit 102 to perform driving control, stable and reliable heating temperature control can be realized regardless of variations in the heating temperature characteristics.Type: GrantFiled: May 14, 2012Date of Patent: July 19, 2016Assignee: Bosch CorporationInventors: Tomohiro Nakamura, Yutaka Tanaka, Yoshihito Fujishiro
-
Patent number: 9376097Abstract: An object of the invention is to prevent abnormal noise from being generated when the pressure of brake fluid supplied to a brake caliper is reduced. A vehicle brake device includes first and second hydraulic brakes generating a hydraulic brake force and a regenerative brake generating a regenerative brake force and divides a braking force into the hydraulic brake force and the regenerative brake force. The vehicle brake device includes a regulating valve that is provided between the first and second hydraulic brakes and continuously regulates the flow rate of brake fluid flowing to the second hydraulic brake from the first hydraulic brake, and a pressure reducing valve that reduces the pressure of the brake fluid supplied to the second hydraulic brake. An opening of the regulating valve is continuously increased and the pressure reducing valve is opened, when the hydraulic brake force of the first hydraulic brake is reduced.Type: GrantFiled: October 5, 2011Date of Patent: June 28, 2016Assignee: Bosch CorporationInventors: Motomu Hakiai, Yoshiyasu Takasaki
-
Patent number: 9352655Abstract: A brake device for a vehicle, that includes at least a first hydraulic brake and a second hydraulic brake which produce hydraulic brake forces, and a regenerative brake which produces a regenerative brake force, and that performs a distribution of the hydraulic brake force and the regenerative brake force with respect to a driver request brake force.Type: GrantFiled: January 29, 2013Date of Patent: May 31, 2016Assignee: Bosch CorporationInventors: Yasutaka Nagakura, Motomu Hakiai
-
Patent number: 9341156Abstract: A glow plug is provided that can be easily determined as to whether or not it is a new article. An additional circuit formed by connecting a diode, a fuse, and an adjusting resistor in series in this order is connected in parallel to a heating element of a glow plug. The diode is provided so as to have an anode located on the positive electrode side of the heating element and a cathode located on the fuse side. In the case of a unit inspection, by applying a positive voltage for test to a heating element negative electrode connecting portion, it is possible to determine whether or not the glow plug is normal without blowing the fuse before the glow plug is used in a vehicle.Type: GrantFiled: May 14, 2012Date of Patent: May 17, 2016Assignee: Bosch CorporationInventors: Tomohiro Nakamura, Yutaka Tanaka, Yoshihito Fujishiro, Yasuo Toyoshima
-
Patent number: 9322384Abstract: To suppress current fluctuations upon commencement of driving and prolong lifespan by reducing electric stress caused by current fluctuations. A glow plug 1, a glow switch 2, and a stabilizing coil 3 are series-connected, and upon commencement of the driving of the glow plug 1, a repetition frequency of PWM signals that control the opening and closing of the glow switch 2 is made into a higher frequency than a repetition frequency in a normal drive state and the opening and closing of the glow switch 2 is controlled (S104), and when a predetermined drive shift condition has been met (S106), the repetition frequency of the PWM signals is returned to the frequency during normal driving and the opening and closing of the glow switch 2 is controlled (S108), whereby the current upon commencement of driving is smoothed and the occurrence of an instantaneous large current is suppressed.Type: GrantFiled: December 6, 2011Date of Patent: April 26, 2016Assignee: Bosch CorporationInventors: Yoshito Hujishiro, Yutaka Tanaka, Tomohiro Nakamura
-
Patent number: 9283937Abstract: An ECU which includes a receiving portion that receives a control signal related to braking of a vehicle transmitted from an external ECU installed outside the ECU and a yaw rate estimation portion that estimates a yaw rate of the vehicle, based on a vehicle speed and steering angles which indicate turning angles of a steering wheel of the vehicle or turning angles of a wheel.Type: GrantFiled: April 24, 2014Date of Patent: March 15, 2016Assignees: Robert Bosch GmbH, Bosch CorporationInventors: Nils Hagenlocher, Toshihide Iiba
-
Patent number: 9255511Abstract: Provided is an exhaust purification system capable of clearing a blockage of a reducing agent injection valve caused by solidification of an aqueous urea solution soon after starting an engine and preventing degradation in exhaust purification efficiency when starting an internal combustion engine.Type: GrantFiled: December 21, 2011Date of Patent: February 9, 2016Assignee: Bosch CorporationInventors: Masanori Watanabe, Takeshi Miyamoto, Fumiyasu Kurogi
-
Patent number: 9255564Abstract: An arithmetic and control unit is configured to calculate a resistance value of a glow plug on the basis of an energization current of the glow plug and a voltage applied to the glow plug, perform a multiplication of the resistance value and a constant that has been determined beforehand on the basis of an electrical characteristic of the glow plug, input a predetermined heater reference point temperature, calculate an offset with a predetermined offset arithmetic expression from the heater reference point temperature, correct the multiplication result with that offset, and take the correction result as an estimated temperature of a tip of the glow plug.Type: GrantFiled: January 12, 2012Date of Patent: February 9, 2016Assignee: Bosch CorporationInventors: Yasuo Toyoshima, Katsumi Takatsu
-
Patent number: 9212582Abstract: An exhaust gas purification system capable of preventing clogging of a reducing agent injection valve due to solidified urea aqueous solution to prevent a decrease in the exhaust gas purification efficiency of an internal-combustion engine. The exhaust gas purification system includes a diesel particulate filter, a reducing agent injection valve and an SCR catalyst in this order from the exhaust upstream side. A condition satisfaction determination section determines whether or not urea aqueous solution is likely to be solidified when detecting that an ignition switch is turned off, and an internal-combustion engine stop prevention section prevents the internal-combustion engine from being stopped, based on a determination by the condition satisfaction determination section.Type: GrantFiled: December 21, 2011Date of Patent: December 15, 2015Assignee: Bosch CorporationInventors: Masanori Watanabe, Takeshi Miyamoto, Fumiyasu Kurogi
-
Patent number: 9201923Abstract: Embodiments of a configurable content optimizer for use in dialog systems are described. In one embodiment, the content optimizer is a configurable component that acts as an intermediary between a dialog management module and a knowledge management module of a dialog system during the query process. The content optimizer module makes extensive use of the system ontology and organizes items returned by the knowledge base and makes adjustments to the query so that a reasonable number of responses are returned. Each query is broken down into a number of constraints, the constraints are characterized by type, and adjustments are made by strategies that include relaxing or tightening constraints in the query. Generic strategies for the potential adjustments are represented in a configurable manner so that the content optimizing module can be easily applied to new domains.Type: GrantFiled: October 4, 2005Date of Patent: December 1, 2015Assignee: ROBERT BOSCH CORPORATIONInventors: Fuliang Weng, Heather Pon-Barry
-
Patent number: 9163539Abstract: A reducing agent supply apparatus includes a pump, a reducing agent injection valve, a reducing agent supply passage, a reducing agent return passage, and a pressure sensor. Injection control of the liquid reducing agent by the reducing agent injection valve is performed while the reducing agent pressure is controlled so as to be maintained at a predetermined target pressure. The reducing agent supply apparatus also includes a passage throttle valve on the reducing agent return passage, a pump control device for feedback-controlling the output of the pump based on the difference between the reducing agent pressure and the target pressure, and a passage throttle valve control device for controlling the opening of the passage throttle valve according to a change in the operation amount of the reducing agent injection valve.Type: GrantFiled: March 29, 2012Date of Patent: October 20, 2015Assignee: Bosch CorporationInventor: Masayasu Nagata
-
Patent number: 9145817Abstract: [Problem] To provide a reducing agent injection valve abnormality detection unit capable of precisely determining whether or not a reducing agent injection valve is abnormally stuck, and a reducing agent supply apparatus.Type: GrantFiled: July 27, 2011Date of Patent: September 29, 2015Assignee: Bosch CorporationInventor: Shigehiro Ohno
-
Patent number: 9142068Abstract: An airbag ECU includes a voltage detection section that detects a voltage in a power supply supplied to other control units (for example, front passenger seat occupancy sensing ECU). In addition, the airbag ECU includes a timer that measures an elapsed time after the voltage detected by the voltage detection section falls in a preset voltage range and a recording section that records the elapsed time measured by the timer on a memory when a failure of the other control units is detected.Type: GrantFiled: November 20, 2013Date of Patent: September 22, 2015Assignee: Bosch CorporationInventor: Kenji Arai