Patents by Inventor Kazuhiro Iino
Kazuhiro Iino 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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Publication number: 20220369506Abstract: An electronic equipment includes: a housing; a cold plate fixed to the housing, a cooling liquid flowing at an interior of the cold plate; a cage that is supported at the housing so as to be movable toward and away from the cold plate, an object of cooling being inserted into the cage; and an elastic member that pushes the cage toward a cold plate side, wherein the cold plate has a contact that is provided at a position of contacting the object of cooling in a state in which the object of cooling is inserted in the cage.Type: ApplicationFiled: February 9, 2022Publication date: November 17, 2022Applicant: FUJITSU LIMITEDInventors: Tsubasa Hashimoto, Kazuhiro Iino, Kouichi Kuramitsu
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Patent number: 11406048Abstract: A base station includes a first area and a second area that are obtained by partitioning closed space by a partition wall. The first area includes a first device that controls communication and a liquid cooling device that sends a cooled liquid refrigerant to the first device. The second area includes a radiator that cools a liquid refrigerant by performing heat exchange with air, that supplies the cooled liquid refrigerant to the liquid cooling device, and that discharges the air used for heat exchange into the second area, and includes a second device that radiates heat by using the air discharged from the radiator and that performs a wireless process in accordance with control performed by the first device.Type: GrantFiled: November 25, 2020Date of Patent: August 2, 2022Assignee: FUJITSU LIMITEDInventors: Tsubasa Hashimoto, Kazuhiro Iino, Seiichiro Sato, Takashi Shirakami, Hideaki Matsumoto, Takao Tomiyama
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Publication number: 20210185860Abstract: A base station includes a first area and a second area that are obtained by partitioning closed space by a partition wall. The first area includes a first device that controls communication and a liquid cooling device that sends a cooled liquid refrigerant to the first device. The second area includes a radiator that cools a liquid refrigerant by performing heat exchange with air, that supplies the cooled liquid refrigerant to the liquid cooling device, and that discharges the air used for heat exchange into the second area, and includes a second device that radiates heat by using the air discharged from the radiator and that performs a wireless process in accordance with control performed by the first device.Type: ApplicationFiled: November 25, 2020Publication date: June 17, 2021Applicant: FUJITSU LIMITEDInventors: Tsubasa HASHIMOTO, Kazuhiro IINO, Seiichiro SATO, Takashi SHIRAKAMI, Hideaki MATSUMOTO, Takao TOMIYAMA
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Publication number: 20200137922Abstract: A transmitting apparatus includes an apparatus main body, and a plug-in unit, wherein the apparatus main body includes a holding member that holds a cooling plate displaceably in an upward-downward direction in the slot of the apparatus main body, and the plug-in unit includes a casing allowed to be inserted and removed into and from the slot of the apparatus main body, a substrate that is housed in the casing and on which a heat generating, component is mounted, and a displacing member that displaces the cooling plate held by the holding member to a position at which the cooling plate gets contact with the heat generating component or a position at which the cooling plate gets contact with a heat transfer member disposed on the heat generating component in conjunction with operation of inserting the casing into the slot of the apparatus main body.Type: ApplicationFiled: September 13, 2019Publication date: April 30, 2020Applicant: FUJITSU LIMITEDInventors: Kazuhiro IINO, Seiichiro Sato, TAKASHI SHIRAKAMI
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Patent number: 9713283Abstract: An electronic apparatus includes a housing that includes an air inlet, and an air-intake duct section provided to supply air to the air inlet, and a filter housing that houses a filter provided to cover the air inlet, and moves toward the air-intake duct section in a thickness direction of the filter housing, to shift from a closed state in which the filter covers the air inlet to an open state in which the air inlet is uncovered.Type: GrantFiled: May 27, 2015Date of Patent: July 18, 2017Assignee: FUJITSU LIMITEDInventors: Yusuke Kira, Katsuki Matsunaga, Kazuhiro Iino, Kouichi Kuramitsu, Takashi Shirakami, Seiichiro Sato, Marco Scifoni
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Publication number: 20150373875Abstract: An electronic apparatus includes a housing that includes an air inlet, and an air-intake duct section provided to supply air to the air inlet, and a filter housing that houses a filter provided to cover the air inlet, and moves toward the air-intake duct section in a thickness direction of the filter housing, to shift from a closed state in which the filter covers the air inlet to an open state in which the air inlet is uncovered.Type: ApplicationFiled: May 27, 2015Publication date: December 24, 2015Applicant: Fujitsu LimitedInventors: Yusuke KIRA, Katsuki MATSUNAGA, Kazuhiro IINO, Kouichi KURAMITSU, Takashi SHIRAKAMI, Seiichiro SATO, Marco Scifoni
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Publication number: 20140133097Abstract: A cooling system includes: a cooling fan configured to take in air through an air filter and to send the air to one or more electronic components; one or more first temperature detectors configured to detect temperatures of the one or more electronic components; a revolution controller configured to control a number of revolutions of the cooling fan on basis of the temperatures detected by the one or more first temperature detectors; and a clogging detector configured to, when the number of revolutions of the cooling fan controlled by the revolution controller is greater than a reference number of revolutions of the cooling fan that makes the temperature of the one or more electronic components less than upper-limit temperatures of the one or more electronic components, detect a clogging condition for the air filter.Type: ApplicationFiled: October 31, 2013Publication date: May 15, 2014Applicant: FUJITSU LIMITEDInventors: Kouichi Kuramitsu, Kazuhiro IINO, Jyunichi ISHIWATARI, Hideki Kobayashi
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Patent number: 8456839Abstract: With respect to a housing device having a plurality of slots in which plug-in units are mountable, division plates corresponding to the positions of the openings of the slots are put in the inside of a baffle section for changing the direction of the flow of cooling air released from the slots, and the division plates are used to divide the inside space of the baffle section into a plurality of regions corresponding to the slots, thereby reducing mutual interference of the cooling air from the slots in the baffle section and preventing a further increase in differences in the amount of passing air among the slots. Thereby, even if any difference occurs in the amount of passing air among the slots due to a structural factor, it is possible to reduce the deterioration of the cooling capacity of a slot through which relatively less amount of air passes.Type: GrantFiled: March 30, 2011Date of Patent: June 4, 2013Assignee: Fujitsu LimitedInventors: Takashi Shirakami, Tetsuya Murayama, Kazuhiro Iino, Yoshiaki Tada, Yusuke Kira
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Publication number: 20120051890Abstract: An air blowing device including; a fan mounted on at least one of an upper part and a lower part of a shelf; a louver having a louver board that extends in a direction intersecting with a direction of plugging in of a plug-in unit; and a louver controller to control the direction of the louver board based on a change of the mounting status of plug-in units housed in the shelf.Type: ApplicationFiled: August 18, 2011Publication date: March 1, 2012Applicant: FUJITSU LIMITEDInventors: Takashi SHIRAKAMI, Naoya Yamazaki, Kazuhiro Iino, Yoshiaki Tada
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Publication number: 20110317360Abstract: With respect to a housing device having a plurality of slots in which plug-in units are mountable, division plates corresponding to the positions of the openings of the slots are put in the inside of a baffle section for changing the direction of the flow of cooling air released from the slots, and the division plates are used to divide the inside space of the baffle section into a plurality of regions corresponding to the slots, thereby reducing mutual interference of the cooling air from the slots in the baffle section and preventing a further increase in differences in the amount of passing air among the slots. Thereby, even if any difference occurs in the amount of passing air among the slots due to a structural factor, it is possible to reduce the deterioration of the cooling capacity of a slot through which relatively less amount of air passes.Type: ApplicationFiled: March 30, 2011Publication date: December 29, 2011Applicant: FUJITSU LIMITEDInventors: Takashi Shirakami, Tetsuya Murayama, Kazuhiro Iino, Yoshiaki Tada, Yusuke Kira
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Publication number: 20110295524Abstract: A determining method includes: holding a cooled device in a container; detecting a temperature inside the container; detecting a temperature outside the container; facilitating a airflow through an air filter that allows air to flow therethrough between the container and a space outside the container; calculating a packing density of components of the cooled device; detecting a power consumption of the cooled device; detecting the number of revolutions of a fan that facilitates the flow of air through the air filter; and determining that the air filter is clogged when the power consumption is less than or equal to a power threshold value, the number of revolutions is within a specified range, and a difference between the temperature inside the container and the temperature outside the container exceeds a temperature threshold value that depends on the packing density and the power consumption.Type: ApplicationFiled: May 17, 2011Publication date: December 1, 2011Applicant: FUJITSU LIMITEDInventors: Yoshiaki Tada, Naoya Yamazaki, Kazuhiro Iino, Takashi Shirakami
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Patent number: 7663883Abstract: A heat transfer mechanism for dissipating heat from a heat generating body to a heat dissipating part, realizing both a high elasticity and a high thermal conductivity, comprised of a film-shaped heat conductor for transferring heat to the heat dissipating part and an elastic member for imparting elasticity to the film-shaped heat conductor, the film-shaped heat conductor being formed from metal foil-type flexible heat pipes or carbon-based thermal conductive sheets.Type: GrantFiled: June 18, 2004Date of Patent: February 16, 2010Assignee: Fujitsu LimitedInventors: Takashi Shirakami, Naoya Yamazaki, Kazuhiro Iino, Yoshiaki Tada, Satoshi Ueda
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Patent number: 7502228Abstract: A heat transfer mechanism for dissipating heat from a heat generating body to a heat dissipating part, realizing both a high elasticity and a high thermal conductivity, comprised of a film-shaped heat conductor for transferring heat to the heat dissipating part and an elastic member for imparting elasticity to the film-shaped heat conductor, the film-shaped heat conductor being formed from metal foil-type flexible heat pipes or carbon-based thermal conductive sheets.Type: GrantFiled: June 18, 2004Date of Patent: March 10, 2009Assignee: Fujitsu LimitedInventors: Takashi Shirakami, Naoya Yamazaki, Kazuhiro Iino, Yoshiaki Tada, Satoshi Ueda
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Patent number: 7244178Abstract: A communication device which has high cooling efficiency and can be reduced in size and weight. The communication device in which a plurality of electronic circuit boards are mounted to a back wiring board (BWB) includes a casing containing the electronic circuit boards as a unit, an intake fan unit for introducing air into the casing to cool the electronic circuit boards, and a discharge fan unit having a plurality of blower fans each arranged such that air intake and discharge directions thereof form an angle of nearly 90 degrees, the blower fans discharging the air introduced into the casing. Combined use of an axial fan and the blower fans permits air to be introduced into and discharged from the casing from rear and front sides, respectively, of the casing, whereby spaces that the fan units occupy in the communication device can be reduced.Type: GrantFiled: December 17, 2003Date of Patent: July 17, 2007Assignee: Fujitsu LimitedInventors: Satoshi Ueda, Naoya Yamazaki, Kazuhiro Iino, Takashi Shirakami, Yoshiaki Tada
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Patent number: 7228204Abstract: The present invention relates to a fan unit used for forced air cooling, a motherboard with predetermined wiring formed as a wiring pattern, disposed on the rear face of an equipment, and an electronic equipment provided with the fan unit and the motherboard. It is an object of the present invention to reliably maintain appropriate forced air cooling at low cost. For this purpose, the fan unit of the present invention measures temperatures of predetermined places in parallel, processes each of combinations of these temperatures, outputs the processing result via lines whose number is equal to the number of the combinations, and maintains the revolving speed of fans at a value suitable for the processing result obtained via these lines.Type: GrantFiled: January 29, 2002Date of Patent: June 5, 2007Assignee: Fujitsu LimitedInventors: Kazuhiro Iino, Naoya Yamazaki, Takashi Shirakami, Yoshiaki Tada
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Patent number: 7027595Abstract: A telecommunications apparatus that has a substantially box-shaped subrack having a back wiring board mounting a connector and a plurality of shell-type plug-in units inserted in the subrack so that a connector of each of the plug-in units is connected to the connector of the subrack, further includes a flexible, electrically conductive seal member elastically deformedly disposed between a lateral surface of the plug-in unit inserted into the subrack and an interior portion of the subrack so as to enclose both the plug-in unit connector.Type: GrantFiled: March 21, 2001Date of Patent: April 11, 2006Assignee: Fujitsu LimitedInventors: Takehide Miyazaki, Kazuhiro Iino, Naoya Yamazaki, Tomoyuki Hongoh, Yoshinori Hoshino, Yoshiaki Tada
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Publication number: 20050180113Abstract: A heat transfer mechanism for dissipating heat from a heat generating body to a heat dissipating part, realizing both a high elasticity and a high thermal conductivity, comprised of a film-shaped heat conductor for transferring heat to the heat dissipating part and an elastic member for imparting elasticity to the film-shaped heat conductor, the film-shaped heat conductor being formed from metal foil-type flexible heat pipes or carbon-based thermal conductive sheets.Type: ApplicationFiled: June 18, 2004Publication date: August 18, 2005Inventors: Takashi Shirakami, Naoya Yamazaki, Kazuhiro Iino, Yoshiaki Tada, Satoshi Ueda
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Publication number: 20040196631Abstract: A communication device which has high cooling efficiency and can be reduced in size and weight. The communication device in which a plurality of electronic circuit boards are mounted to a back wiring board (BWB) includes a casing containing the electronic circuit boards as a unit, an intake fan unit for introducing air into the casing to cool the electronic circuit boards, and a discharge fan unit having a plurality of blower fans each arranged such that air intake and discharge directions thereof form an angle of nearly 90 degrees, the blower fans discharging the air introduced into the casing. Combined use of an axial fan and the blower fans permits air to be introduced into and discharged from the casing from rear and front sides, respectively, of the casing, whereby spaces that the fan units occupy in the communication device can be reduced.Type: ApplicationFiled: December 17, 2003Publication date: October 7, 2004Inventors: Satoshi Ueda, Naoya Yamazaki, Kazuhiro Iino, Takashi Shirakami, Yoshiaki Tada
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Patent number: 6735077Abstract: The present invention relates to a thermal diffuser which having a path for close thermal coupling uniformly between an electronic component mounted in an electronic equipment and a desired thermal conductor, and also to a radiator for radiating heat generated in this electronic component via the thermal diffuser. The object of the present invention is to realize flexible adaptability to various devices which are to undergo temperature control at low cost, and to efficiently achieve the temperature control. For this purpose, the thermal diffuser of the present invention has a plate-shaped structure which can be welded or bonded to the case of the electronic component to undergo heat exchange with the exterior and has a channel formed in mesh by a plurality of protrusions with confined heat medium recirculating therethrough.Type: GrantFiled: February 12, 2002Date of Patent: May 11, 2004Assignee: Fujitsu LimitedInventors: Naoya Yamazaki, Kazuhiro Iino, Takashi Shirakami, Yoshiaki Tada
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Patent number: 6683792Abstract: A communication apparatus including a metallic shelf having a pair of side plates, a back wiring board mounted in the shelf on the back side thereof and having a plurality of first connectors and a solid ground pattern, and upper and lower guide plates mounted in the shelf, each guide plate having a plurality of guide rails and a plurality of vent holes. A first shield board having numerous openings is mounted on the upper guide plate, and a second shield board having numerous openings is mounted on the lower guide plate. A plurality of plug-in units are mounted in the shelf so as to be inserted along the guide rails of the upper and lower guide plates.Type: GrantFiled: November 14, 2002Date of Patent: January 27, 2004Assignee: Fujitsu LimitedInventors: Takashi Shirakami, Naoya Yamazaki, Kazuhiro Iino, Yoshiaki Tada, Hiroshi Katagiri, Yoshinori Hoshino