Patents by Inventor Masatsugu Mori
Masatsugu Mori 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).
-
Publication number: 20220363119Abstract: An electrical component module is installed in a front section of a vehicle, and connected with a battery unit storing electricity for driving the vehicle. The electrical component module is supported by a vehicle body structure member (cross-member) extending in a lateral direction of the vehicle. The cross-member is closer to a passenger compartment than the electrical component module, and doesn't overlap with the electrical component module when viewed along any horizontal direction perpendicular to a vertical direction of the vehicle. Between the cross-member and the electrical component module, provided is a release mechanism for releasing the support of the electrical component module by the cross-member when receiving an impact from an opposite side to the passenger compartment.Type: ApplicationFiled: June 19, 2019Publication date: November 17, 2022Applicant: NISSAN MOTOR CO., LTD.Inventors: Kenichi NAKAGAWA, Masahiro OONISHI, Masatsugu MORI, Jaemin SHIN, Masahiro ATAKA
-
Patent number: 10280980Abstract: A bearing device has rolling bearings each having an inner ring mounted on a main shaft and an outer ring; an inner ring spacer interposed between the inner rings of the neighboring rolling bearings and mounted on the main shaft; an outer ring spacer interposed between the outer rings of the neighboring rolling bearings; and a cooling structure. The cooling structure includes a nozzle provided in the outer ring spacer to supply a cooling fluid to the rolling bearings by blowing the cooling fluid to an outer peripheral surface of the inner ring spacer. The nozzle has a discharge port side that is inclined forwardly with respect to a direction of rotation of the main shaft. The outer peripheral surface of the inner ring spacer is shaped to guide the cooling fluid, discharged from the nozzle, towards the neighboring rolling bearings on both sides.Type: GrantFiled: November 3, 2016Date of Patent: May 7, 2019Assignee: NTN CORPORATIONInventors: Masatsugu Mori, Mamoru Mizutani, Yuushi Onda, Kenji Tamada, Yasuyoshi Hayashi
-
Patent number: 10072710Abstract: A bearing device includes a rolling bearing having an outer ring and an inner ring, an outer ring spacer disposed adjacent to the outer ring, and an inner spacer disposed adjacent the inner ring. The outer ring and the outer ring spacer are fitted to a housing, and the inner ring and the inner ring spacer are fitted to a rotary shaft. The outer ring spacer is provided with a nozzle, which is configured to inject a cooling fluid (R) toward an outer circumferential surface of the inner ring, and is inclined so that an injection port thereof is inclined forwardly in a rotation direction of the inner ring. An inclination angle ? of the nozzle with respect to an axial direction is set to a value within a range from 50° to 90°.Type: GrantFiled: May 1, 2017Date of Patent: September 11, 2018Assignee: NTN CORPORATIONInventors: Masatsugu Mori, Kikuo Fukada, Yohei Yamamoto, Masato Yoshino, Yuushi Onda
-
Publication number: 20170234368Abstract: A bearing device includes a rolling bearing having an outer ring and an inner ring, an outer ring spacer disposed adjacent to the outer ring, and an inner spacer disposed adjacent the inner ring. The outer ring and the outer ring spacer are fitted to a housing, and the inner ring and the inner ring spacer are fitted to a rotary shaft. The outer ring spacer is provided with a nozzle, which is configured to inject a cooling fluid (R) toward an outer circumferential surface of the inner ring, and is inclined so that an injection port thereof is inclined forwardly in a rotation direction of the inner ring. An inclination angle a of the nozzle with respect to an axial direction is set to a value within a range from 50° to 90°.Type: ApplicationFiled: May 1, 2017Publication date: August 17, 2017Applicant: NTN CORPORATIONInventors: Masatsugu MORI, Kikuo Fukada, Yohei Yamamoto, Masato Yoshino, Yuushi Onda
-
Publication number: 20170051790Abstract: A bearing device has rolling bearings each having an inner ring mounted on a main shaft and an outer ring; an inner ring spacer interposed between the inner rings of the neighboring rolling bearings and mounted on the main shaft; an outer ring spacer interposed between the outer rings of the neighboring rolling bearings; and a cooling structure. The cooling structure includes a nozzle provided in the outer ring spacer to supply a cooling fluid to the rolling bearings by blowing the cooling fluid to an outer peripheral surface of the inner ring spacer. The nozzle has a discharge port side that is inclined forwardly with respect to a direction of rotation of the main shaft. The outer peripheral surface of the inner ring spacer is shaped to guide the cooling fluid, discharged from the nozzle, towards the neighboring rolling bearings on both sides.Type: ApplicationFiled: November 3, 2016Publication date: February 23, 2017Applicant: NTN CORPORATIONInventors: Masatsugu MORI, Mamoru Mizutani, Yuushi Onda, Kenji Tamada, Yasuyoshi Hayashi
-
Patent number: 9541137Abstract: A bearing device includes an outer ring spacer and an inner ring spacer, which are interposed between outer rings of a plurality of axially juxtaposed rolling bearings and inner rings of such rolling bearings, respectively. The outer ring and the outer ring spacer are disposed within a housing while the inner ring and the inner ring spacer are mounted on a main shaft. A cooling structure including a nozzle is provided in the outer ring spacer for blowing a cooling fluid to an outer peripheral surface of the inner ring spacer to thereby supply the cooling fluid to the rolling bearing. The nozzle is provided with its discharge port side inclined forwardly with respect to the direction of rotation of the main shaft.Type: GrantFiled: September 19, 2013Date of Patent: January 10, 2017Assignee: NTN CORPORATIONInventors: Masatsugu Mori, Mamoru Mizutani, Yuushi Onda, Kenji Tamada, Yasuyoshi Hayashi
-
Publication number: 20150226266Abstract: A bearing device includes an outer ring spacer (4) and an inner ring spacer (5), which are interposed between outer rings of a plurality of axially juxtaposed rolling bearings and inner rings (3) of such rolling bearings, respectively. The outer ring and the outer ring spacer (4) are disposed within a housing (6) while the inner ring (3) and the inner ring spacer (5) are mounted on a main shaft (7). A nozzle (12) is provided in the outer ring spacer (4) for blowing a cooling fluid to an outer peripheral surface of an inner ring (3) or the inner ring spacer (4) to thereby supply the cooling fluid to the rolling bearing. The nozzle (12) is provided with its discharge port side inclined forwardly with respect to the direction of rotation of the main shaft (7).Type: ApplicationFiled: September 19, 2013Publication date: August 13, 2015Applicant: NTN CORPORATIONInventors: Masatsugu Mori, Mamoru Mizutani, Yuushi Onda, Kenji Tamada, Yasuyoshi Hayashi
-
Patent number: 8955257Abstract: A vehicle width direction wall portion (29) and a front-rear direction wall portion (33) are formed in a stiffener (7) provided inside a front door (1), the vehicle width direction wall portion (29) extending in a vehicle width direction, the front-rear direction wall portion (33) extending from a vehicle width direction inner end (31) of the vehicle width direction wall portion (29) in a vehicle front-rear direction. Additionally, a locking member (23) is provided on the front-rear direction wall portion (33) at a portion, and faces a lock lever (25). The locking member engages the lock lever, after a load is inputted to an outside handle and a door outer panel thereby deforming the door outer panel, to prevent movement of the lock lever after the deforming the door outer panel.Type: GrantFiled: June 6, 2011Date of Patent: February 17, 2015Assignee: Nissan Motor Co., Ltd.Inventors: Ryohei Moriya, Takanori Yagi, Masatsugu Mori
-
Patent number: 8491195Abstract: A rolling bearing device includes a rolling bearing unit having rolling elements retained by an annular retainer and intervening between raceways of inner and outer rings, and a nozzle member provided proximate to the outer ring. The nozzle member is provided with an annular collar portion inserted in a bearing space delimited between the inner ring and the outer ring and having a nozzle hole. This collar portion has an outer diametric surface in the form of a retainer guide surface, and an inner diametric surface of the retainer is guided by this retainer guide surface.Type: GrantFiled: August 19, 2008Date of Patent: July 23, 2013Assignee: NTN CorporationInventors: Takuji Kobayashi, Masatsugu Mori
-
Publication number: 20130074413Abstract: A vehicle width direction wall portion (29) and a front-rear direction wall portion (33) are formed in a stiffener (7) provided inside a front door (1), the vehicle width direction wall portion (29) extending in a vehicle width direction, the front-rear direction wall portion (33) extending from a vehicle width direction inner end (31) of the vehicle width direction wall portion (29) in a vehicle front-rear direction. Additionally, a locking member (23) is provided on the front-rear direction wall portion (33) at a portion facing a lock lever (25).Type: ApplicationFiled: June 6, 2011Publication date: March 28, 2013Inventors: Ryohei Moriya, Takanori Yagi, Masatsugu Mori
-
Publication number: 20120301065Abstract: A lubrication structure for a rolling bearing assembly of low manufacturing cost, high speed and the environment-friendly is provided. An inclined surface portion is provided in an outer diametric surface of an inner ring of the bearing assembly, and a grease tank having a grease reservoir is arranged adjacent to an outer ring of the rolling bearing assembly. A base oil transfer medium for moving a base oil in the grease by capillary phenomenon is provided within the grease reservoir, and one end thereof contacts the inclined surface portion. Accordingly, the base oil within the grease reservoir adheres to the inclined surface portion through the base oil transfer medium, and the base oil adhering to the inclined surface portion is supplied to the bearing assembly utilizing surface tension of the base oil and the flow of the base oil induced upon rotation of the inner ring.Type: ApplicationFiled: February 10, 2011Publication date: November 29, 2012Applicant: NTN CorporationInventors: Masatsugu Mori, Tetsuto Ishii
-
Publication number: 20120183248Abstract: A cage is made of a magnesium alloy, the magnesium alloy being molded by means of injection molding using a mold including a cavity portion having a shape corresponding to a shape of the cage, and has a shape resulting from being forcedly extracted from the mold. As a result, a cage made of a magnesium alloy of high strength and having a shape resulting from being forcedly extracted from a mold, a rolling bearing including the cage, a machine tool including the rolling bearing, and a method of manufacturing the cage can be provided.Type: ApplicationFiled: September 14, 2010Publication date: July 19, 2012Inventors: Hiroki Fujiwara, Eiichirou Shimazu, Masatsugu Mori, Tetsuto Ishii
-
Patent number: 7918606Abstract: A rolling bearing assembly has an inner race, an outer race and a plurality of rolling elements interposed between respective raceway surfaces of the inner and outer races. A stationary raceway member, which is one of the inner and outer races that are a raceway member and which is non-rotatable, is provided with a stepped face continued with the corresponding raceway surface and located in a direction away from the rolling elements, and is also provided with a gap defining piece having a tip held in face-to-face relation to the stepped face with a gap intervening between it and the stepped face and defining a flow path between a peripheral wall thereof and the stationary raceway member; there being provided a grease reservoir communicated with the flow path.Type: GrantFiled: October 7, 2005Date of Patent: April 5, 2011Assignee: NTN CorporationInventors: Yoshinobu Akamatsu, Masatsugu Mori, Takuji Kobayashi, Sun-Woo Lee
-
Patent number: 7874733Abstract: To provide a rolling bearing assembly, in which a grease filled within the bearing assembly is utilized to achieve a high speed feature, a long life and a maintenance-free and a lubricant oil can be stably supplied from a minute gap, a stepped face continued from the raceway surface is provided in a stationary raceway ring unit of an inner and outer ring units in a direction away from rolling elements. A gap forming piece having a free end confronting the stepped face is provided to define therebetween a flow passage and a grease reservoir communicated with the flow passage. The rolling bearing assembly is so designed that a heat cycle can be induced in the grease reservoir and, base oil of the grease can be urged to flow out from the gap by the effect of a pressure variation caused by the temperature rise.Type: GrantFiled: December 5, 2006Date of Patent: January 25, 2011Assignee: NTN CorporationInventors: Takuji Kobayashi, Masatsugu Mori, Sun-woo Lee, Hiroshi Takiuchi
-
Patent number: 7819587Abstract: A lubricating device for a rolling bearing includes a lubricating oil introduction member (7) that has a discharge opening (8) opened to a circumferential groove (6) provided in an end face of an inner race (2) of a bearing (1). A slope section (2b) is provided on an outer peripheral surface of the inner race (2) and guides the lubricating oil in the groove (6) to a raceway surface (2a) of the inner race (2) by centrifugal force and surface tension acting on the lubricating oil. The introduction member (7) is provided with a flange-like section (10) that overlays the slope section (2b) with a minute gap ? between the flange-like section (10) and the slope section (2b) and that controls the flow amount of the lubricating oil flowing through the gap ? to the raceway surface (2a).Type: GrantFiled: August 23, 2005Date of Patent: October 26, 2010Assignee: NTN CorporationInventors: Yoshinobu Akamatsu, Masatsugu Mori
-
Publication number: 20100202720Abstract: To provide a rolling bearing device designed to accomplish a stabilized retention of the retainer during a high speed rotation, to avoid a direct contact between guide surfaces and to reduce the power loss between retainer guide gaps, the rolling bearing device includes a rolling bearing unit having rolling elements retained by an annular retainer and intervening between raceways of inner and outer rings, and a nozzle member provided proximate to the outer ring. The nozzle member is provided with an annular collar portion inserted in a bearing space delimited between the inner ring and the outer ring and having a nozzle hole. This collar portion has an outer diametric surface in the form of a retainer guide surface, and an inner diametric surface of the retainer is guided by this retainer guide surface.Type: ApplicationFiled: August 19, 2008Publication date: August 12, 2010Applicant: NTN CORPORATIONInventors: Takuji Kobayashi, Masatsugu Mori
-
Patent number: 7594761Abstract: Let r be the radius of curvature of the corners of pockets of a cage, and Lw be the length of cylindrical rollers. They are set such that the relation r/Lw?0.1 holds. Further, the relation r/k1?1 holds, where k1 is the minimum dimension on the inner diameter side of the annulus of the cage.Type: GrantFiled: April 14, 2004Date of Patent: September 29, 2009Assignee: NTN CorporationInventors: Mineo Koyama, Masatsugu Mori
-
Publication number: 20090148088Abstract: The object is to provide a lubricator for rolling bearings which is also capable of cooling the inner ring and which can reduce the resistance of cooling oil when the oil is agitated during high-speed rotation of the bearing. On the back side of an angular ball bearing 1, a cooling oil introducing member 11 is provided which includes a nozzle 12 for discharging cooling oil toward a circumferential groove 6 formed in an end surface of an inner ring 2. The cooling oil introducing member 11 has an extension 11a formed with a seal portion 13 that faces a tapered surface 2b of the inner ring with a gap ? left therebetween. The gap ? of the seal portion is set at 0.2 mm or less to limit the amount of cooling oil that flows through the seal portion 13 into the bearing to a minimum, thereby reducing the resistance of cooling oil when the oil is agitated during high-speed rotation of the angular ball bearing 1.Type: ApplicationFiled: July 19, 2006Publication date: June 11, 2009Inventors: Mitsuo Sasabe, Masatsugu Mori
-
Publication number: 20090103844Abstract: To provide a rolling bearing assembly, in which a grease filled within the bearing assembly is utilized to achieve a high speed feature, a long life and a maintenance-free and a lubricant oil can be stably supplied from a minute gap, a stepped face continued from the raceway surface is provided in a stationary raceway ring unit of an inner and outer ring units in a direction away from rolling elements. A gap forming piece having a free end confronting the stepped face is provided to define therebetween a flow passage and a grease reservoir communicated with the flow passage. The rolling bearing assembly is so designed that a heat cycle can be induced in the grease reservoir and, base oil of the grease can be urged to flow out from the gap by the effect of a pressure variation caused by the temperature rise.Type: ApplicationFiled: December 5, 2006Publication date: April 23, 2009Inventors: Takuji Kobayashi, Masatsugu Mori, Sun woo Lee, Hiroshi Takiuchi
-
Publication number: 20090046965Abstract: A lubricating device for a rolling bearing includes a lubricating oil introduction member (7) that has a discharge opening (8) opened to a circumferential groove (6) provided in an end face of an inner race (2) of a bearing (1). A slope section (2b) is provided on an outer peripheral surface of the inner race (2) and guides the lubricating oil in the groove (6) to a raceway surface (2a) of the inner race (2) by centrifugal force and surface tension acting on the lubricating oil. The introduction member (7) is provided with a flange-like section (10) that overlays the slope section (2b) with a minute gap ? between the flange-like section (10) and the slope section (2b) and that controls the flow amount of the lubricating oil flowing through the gap ? to the raceway surface (2a).Type: ApplicationFiled: August 23, 2005Publication date: February 19, 2009Applicant: NTN CorporationInventors: Yoshinobu Akamatsu, Masatsugu Mori