Patents by Inventor Kazuhiro OKITA
Kazuhiro OKITA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10690038Abstract: There is provided a motorcycle. A side stand is disposed at a side-lower portion of an engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface. An inflow piping is configured to supply cooling water delivered from a water pump to a supercharger. An outflow piping is disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump. The outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side.Type: GrantFiled: July 9, 2018Date of Patent: June 23, 2020Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
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Patent number: 10640170Abstract: There is provided a straddle-type vehicle. A water jacket is configured to cool an engine by cooling water discharged from a water pump. A radiator is arranged in front of the engine. A cooling water stream control unit is configured to control a flow rate of the cooling water to circulate in the radiator, based on a temperature of the cooling water after cooling the engine. The water pump is mounted to a part of a crankcase at one side in a right and left direction of the straddle-type vehicle. The cooling water stream control unit is arranged at a position that is located at the one side of a center of the straddle-type vehicle in the right and left direction, is lower than a cylinder head cover and is located between the engine and the radiator, when seeing the straddle-type vehicle from a side.Type: GrantFiled: June 22, 2018Date of Patent: May 5, 2020Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
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Patent number: 10308315Abstract: A saddle-ridden vehicle includes: a pair of frame members which are disposed on one side and on other side in a vehicle width direction so as to extend in a vehicle front-rear direction; an engine which is disposed between and supported by the pair of frame members; an air cleaner which cleans air for fuel combustion; a supercharger which compresses the air cleaned by the air cleaner; an intercooler which cools, using a cooling wind, the air compressed by the supercharger and supplies resulting air to the engine; and an exhaust wind duct which determines a discharge position or a discharge direction of the cooling wind discharged from the intercooler, and the exhaust wind duct is disposed above the engine on the one side in the vehicle width direction and extends to rear of the engine.Type: GrantFiled: December 15, 2017Date of Patent: June 4, 2019Assignee: SUZUKI MOTOR CORPORATIONInventors: Ryohei Hamaguchi, Kazuhiro Okita
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Patent number: 10294854Abstract: There is provided a saddle-ridden type vehicle. An air intake piping is connected between an air cleaner and a supercharger. An air outlet piping is connected between the supercharger and an intercooler. An air bypass passage is provided between the air outlet piping and the air intake piping to allow compressed air to escape toward an upstream side of the supercharger without flowing in the supercharger. An air bypass valve is configured to open and close the air bypass passage. The supercharger is disposed in front of the engine. The air cleaner is disposed above the engine. The air intake piping extends in an upper-lower direction in a region ranging from the above of the engine to a front of the engine at one side in a vehicle width direction. The air bypass valve is disposed at the rear of the air intake piping.Type: GrantFiled: October 26, 2016Date of Patent: May 21, 2019Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
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Patent number: 10208647Abstract: There is provided a saddle-ridden type vehicle. A cooling water flow control unit includes a first passage, a second passage, a bypass passage communicating the first and second passages and a thermostat. An engine outlet piping connects a water jacket and the first passage. A radiator inlet piping connects the first passage and a radiator. A radiator outlet piping connects the radiator and the second passage. A water pump inlet piping connects the second passage and a water pump. The water pump is disposed at a side part of a crank case and in front of a crankshaft. The cooling water flow control unit is disposed above a cylinder head cover. The radiator inlet piping, the radiator outlet piping and the water pump inlet piping are disposed between the engine and the radiator.Type: GrantFiled: October 20, 2016Date of Patent: February 19, 2019Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki, Shintaro Yagi
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Publication number: 20190010859Abstract: There is provided a straddle-type vehicle. A water jacket is configured to cool an engine by cooling water discharged from a water pump. A radiator is arranged in front of the engine. A cooling water stream control unit is configured to control a flow rate of the cooling water to circulate in the radiator, based on a temperature of the cooling water after cooling the engine. The water pump is mounted to a part of a crankcase at one side in a right and left direction of the straddle-type vehicle. The cooling water stream control unit is arranged at a position that is located at the one side of a center of the straddle-type vehicle in the right and left direction, is lower than a cylinder head cover and is located between the engine and the radiator, when seeing the straddle-type vehicle from a side.Type: ApplicationFiled: June 22, 2018Publication date: January 10, 2019Applicant: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro OKITA, Takaya SUZUKI
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Patent number: 10167767Abstract: There is provided a motorcycle. A side stand is disposed at a side-lower portion of an engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface. An inflow piping is configured to supply cooling water delivered from a water pump to a supercharger. An outflow piping is disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump. The outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side.Type: GrantFiled: October 18, 2016Date of Patent: January 1, 2019Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
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Publication number: 20180313249Abstract: There is provided a motorcycle. A side stand is disposed at a side-lower portion of an engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface. An inflow piping is configured to supply cooling water delivered from a water pump to a supercharger. An outflow piping is disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump. The outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side.Type: ApplicationFiled: July 9, 2018Publication date: November 1, 2018Applicant: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro OKITA, Takaya SUZUKI
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Patent number: 10094267Abstract: There is provided a saddle-ridden type vehicle including an engine, a water pump, and a radiator. A cooling water flow control unit switches a first circulation path without flowing in the radiator, and a second circulation path through the radiator, in accordance with a temperature of cooling water. The cooling water flow control unit includes a thermostat and a thermostat housing. The thermostat housing is formed with a first passage, a second passage disposed adjacent to the first passage, and a bypass passage communicating the first passage and the second passage. The thermostat switches communication and cutoff of the second passage at a part of the second passage, which is positioned upstream of a connection part between the second passage and the bypass passage, in accordance with the temperature of the cooling water.Type: GrantFiled: October 20, 2016Date of Patent: October 9, 2018Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki, Shintaro Yagi
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Patent number: 10086903Abstract: A saddle-ridden vehicle includes: a pair of frame members which are disposed on one side and on other side in a vehicle width direction so as to extend in a vehicle front-rear direction; an engine which is disposed between and supported by the pair of frame members; an air cleaner which cleans air for fuel combustion; a supercharger which compresses the air cleaned by the air cleaner; an intercooler which cools, using a cooling wind, the air compressed by the supercharger and supplies resulting air to the engine; and an exhaust wind duct which determines a discharge position or a discharge direction of the cooling wind discharged from the intercooler, and the exhaust wind duct is disposed above the engine on the one side in the vehicle width direction and extends to rear of the engine.Type: GrantFiled: October 24, 2016Date of Patent: October 2, 2018Assignee: SUZUKI MOTOR CORPORATIONInventors: Ryohei Hamaguchi, Kazuhiro Okita
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Patent number: 10087828Abstract: A saddle-ridden vehicle includes: an engine; a clutch which enables or disables motive power transmission between a crankshaft provided in the engine and a transmission mechanism; a turbocharger which compresses air for burning to be supplied to the engine; and a throttle device which adjusts a rate of air supply to the engine by controlling an opening angle of a throttle valve using a drive motor, the turbocharger includes a turbine unit which is driven by exhaust gas of the engine and a compressor unit which compresses air receiving drive force of the turbine unit; the clutch is disposed at one side, in a vehicle width direction, of the engine; and the compressor unit and the drive motor are disposed at the other side of the engine in the vehicle width direction.Type: GrantFiled: September 16, 2016Date of Patent: October 2, 2018Assignee: SUZUKI MOTOR CORPORATIONInventor: Kazuhiro Okita
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Patent number: 10006336Abstract: A saddle-ridden vehicle includes: an engine; a radiator unit which is disposed in front of the engine and cools cooling water sent from the engine; a supercharger which is disposed between the engine and the radiator unit and compresses air for combustion to be supplied to the engine; and a reservoir tank which is connected to the radiator unit and stores cooling water to flow into the radiator unit, the radiator unit includes a top radiator disposed in top-front of the engine and a bottom radiator disposed below the top radiator, and the reservoir tank is disposed below the supercharger between the engine and the bottom radiator.Type: GrantFiled: October 24, 2016Date of Patent: June 26, 2018Assignee: SUZUKI MOTOR CORPORATIONInventors: Takaya Suzuki, Kazuhiro Okita, Shintaro Yagi
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Patent number: 9964025Abstract: There is provided an engine. An exhaust manifold is attached to an exhaust port of a cylinder head. A supercharger has a turbine housing accommodating therein a turbine configured to rotate by an exhaust air from the exhaust port. A balancer is disposed at a front side in a crank case. A radiator is disposed in front of the engine. The exhaust manifold and the turbine housing are integrally formed. The supercharger is disposed above the balancer. The radiator is disposed above the supercharger.Type: GrantFiled: October 21, 2016Date of Patent: May 8, 2018Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
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Publication number: 20180105227Abstract: A saddle-ridden vehicle includes: a pair of frame members which are disposed on one side and on other side in a vehicle width direction so as to extend in a vehicle front-rear direction; an engine which is disposed between and supported by the pair of frame members; an air cleaner which cleans air for fuel combustion; a supercharger which compresses the air cleaned by the air cleaner; an intercooler which cools, using a cooling wind, the air compressed by the supercharger and supplies resulting air to the engine; and an exhaust wind duct which determines a discharge position or a discharge direction of the cooling wind discharged from the intercooler, and the exhaust wind duct is disposed above the engine on the one side in the vehicle width direction and extends to rear of the engine.Type: ApplicationFiled: December 15, 2017Publication date: April 19, 2018Applicant: SUZUKI MOTOR CORPORATIONInventors: Ryohei HAMAGUCHI, Kazuhiro OKITA
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Patent number: 9850803Abstract: There is provided a saddle-ridden type vehicle. An oil cooler cools engine oil to be supplied to an engine. A supercharger compresses combustion air to be supplied to the engine. A water pump pumps cooling water to the engine and the supercharger. A cooling piping flows the cooling water delivered from the water pump. A first inlet piping supplies the cooling water to the oil cooler. A second inlet piping is disposed in parallel with the first inlet piping and supplies the cooling water to the supercharger. A first outlet piping extends upward from the oil cooler and returns the cooling water to the water pump. A second outlet piping extends upward from the supercharger and returns the cooling water to the water pump. The first outlet piping and the second outlet piping converge above the oil cooler and the supercharger.Type: GrantFiled: October 20, 2016Date of Patent: December 26, 2017Assignee: KYOCERA Document Solutions Inc.Inventors: Kazuhiro Okita, Takaya Suzuki
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Publication number: 20170114715Abstract: A saddle-ridden vehicle includes: an engine; a clutch which enables or disables motive power transmission between a crankshaft provided in the engine and a transmission mechanism; a turbocharger which compresses air for burning to be supplied to the engine; and a throttle device which adjusts a rate of air supply to the engine by controlling an opening angle of a throttle valve using a drive motor, the turbocharger includes a turbine unit which is driven by exhaust gas of the engine and a compressor unit which compresses air receiving drive force of the turbine unit; the clutch is disposed at one side, in a vehicle width direction, of the engine; and the compressor unit and the drive motor are disposed at other side of the engine in the vehicle width direction.Type: ApplicationFiled: September 16, 2016Publication date: April 27, 2017Applicant: SUZUKI MOTOR CORPORATIONInventor: Kazuhiro OKITA
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Publication number: 20170114706Abstract: There is provided a saddle-ridden type vehicle. A cooling water flow control unit includes a first passage, a second passage, a bypass passage communicating the first and second passages and a thermostat. An engine outlet piping connects a water jacket and the first passage. A radiator inlet piping connects the first passage and a radiator. A radiator outlet piping connects the radiator and the second passage. A water pump inlet piping connects the second passage and a water pump. The water pump is disposed at a side part of a crank case and in front of a crankshaft. The cooling water flow control unit is disposed above a cylinder head cover. The radiator inlet piping, the radiator outlet piping and the water pump inlet piping are disposed between the engine and the radiator.Type: ApplicationFiled: October 20, 2016Publication date: April 27, 2017Applicant: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro OKITA, Takaya SUZUKI, Shintaro YAGI
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Publication number: 20170114709Abstract: There is provided a saddle-ridden type vehicle. An air intake piping is connected between an air cleaner and a supercharger. An air outlet piping is connected between the supercharger and an intercooler. An air bypass passage is provided between the air outlet piping and the air intake piping to allow compressed air to escape toward an upstream side of the supercharger without flowing in the supercharger. An air bypass valve is configured to open and close the air bypass passage. The supercharger is disposed in front of the engine. The air cleaner is disposed above the engine. The air intake piping extends in an upper-lower direction in a region ranging from the above of the engine to a front of the engine at one side in a vehicle width direction. The air bypass valve is disposed at the rear of the air intake piping.Type: ApplicationFiled: October 26, 2016Publication date: April 27, 2017Applicant: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro OKITA, Takaya SUZUKI
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Publication number: 20170114702Abstract: There is provided a saddle-ridden type vehicle including an engine, a water pump, and a radiator. A cooling water flow control unit switches a first circulation path without flowing in the radiator, and a second circulation path through the radiator, in accordance with a temperature of cooling water. The cooling water flow control unit includes a thermostat and a thermostat housing. The thermostat housing is formed with a first passage, a second passage disposed adjacent to the first passage, and a bypass passage communicating the first passage and the second passage. The thermostat switches communication and cutoff of the second passage at a part of the second passage, which is positioned upstream of a connection part between the second passage and the bypass passage, in accordance with the temperature of the cooling water.Type: ApplicationFiled: October 20, 2016Publication date: April 27, 2017Applicant: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro OKITA, Takaya SUZUKI, Shintaro YAGI
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Publication number: 20170114713Abstract: There is provided an engine. An exhaust manifold is attached to an exhaust port of a cylinder head. A supercharger has a turbine housing accommodating therein a turbine configured to rotate by an exhaust air from the exhaust port. A balancer is disposed at a front side in a crank case. A radiator is disposed in front of the engine. The exhaust manifold and the turbine housing are integrally formed. The supercharger is disposed above the balancer. The radiator is disposed above the supercharger.Type: ApplicationFiled: October 21, 2016Publication date: April 27, 2017Applicant: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro OKITA, Takaya SUZUKI