Patents by Inventor Jun Abei
Jun Abei 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: 11029073Abstract: A cold storage heat exchanger includes refrigerant tubes having therein refrigerant passages and arranged to provide a clearance therebetween. A cold storage container is bonded to a refrigerant tube and defines therein a compartment receiving a cold storage material. The cold storage container has protrusion portions protruding outward and being in contact with the refrigerant tube.Type: GrantFiled: October 22, 2018Date of Patent: June 8, 2021Assignee: DENSO CORPORATIONInventors: Atsushi Yamada, Seiji Inoue, Yoshio Miyata, Naoki Yokoyama, Etsuo Hasegawa, Jun Abei, Hiroshi Ishikawa, Aun Ota, Kouta Hagihara
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Patent number: 10788275Abstract: An aluminum alloy clad material includes a core material, one side being clad with cladding material 1, the other side being clad with cladding material 2, the core material including an aluminum alloy that includes 0.5 to 1.8% of Mn, and limited to 0.05% or less of Cu, with the balance being Al and unavoidable impurities, the cladding material 1 including an aluminum alloy that includes 3 to 10% of Si, and 1 to 10% of Zn, with the balance being Al and unavoidable impurities, and the cladding material 2 including an aluminum alloy that includes 3 to 13% of Si, and limited to 0.05% or less of Cu, with the balance being Al and unavoidable impurities, wherein the Si content X (%) in the cladding material 1 and the Si content Y (%) in the cladding material 2 satisfy the value (Y?X) is ?1.5 to 9%.Type: GrantFiled: November 18, 2015Date of Patent: September 29, 2020Assignees: DENSO CORPORATION, UACJ CorporationInventors: Shusuke Otsuki, Shoei Teshima, Yuusuke Kitoh, Jun Abei, Tomohiro Shoji, Naoki Yamashita, Toshikazu Tanaka, Hirokazu Tanaka
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Patent number: 10696128Abstract: A cold storage heat exchanger includes: a plurality of refrigerant tubes disposed at intervals, each of the refrigerant tubes including a refrigerant passage that allows a refrigerant to flow therethrough; a cold storage material adjacent to the refrigerant tubes; and a heat transfer suppressor that suppresses heat transfer from the refrigerant tubes to the cold storage material in an overheated area of the refrigerant formed in the refrigerant passage.Type: GrantFiled: September 23, 2016Date of Patent: June 30, 2020Assignee: DENSO CORPORATIONInventors: Jun Abei, Toshiya Nagasawa, Eiichi Torigoe, Naohisa Ishizaka, Norihide Kawachi, Yuusuke Kitou, Ken Nishimura, Masakazu Nagaya
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Patent number: 10677537Abstract: An evaporator includes multiple cold storage mechanisms for lowering a temperature of a cold storage material housed inside a cold storage container by heat exchange with a refrigerant. The multiple cold storage mechanisms include a first cold storage mechanism and a second cold storage mechanism higher in heat storage-and-radiation performance than the first cold storage mechanism.Type: GrantFiled: April 19, 2016Date of Patent: June 9, 2020Assignee: DENSO CORPORATIONInventors: Yuusuke Kitou, Jun Abei, Norihide Kawachi, Eiichi Torigoe, Shota Chatani
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Patent number: 10401062Abstract: A cold storage heat exchanger includes a plurality of tubes, a coolant flowing in the tubes, a cold storage material container joined to the tubes, the cold storage material container defining a room that houses a cold storage material, and a distribution tank unit that distributes the coolant to the tubes. A coolant passage is formed in the tubes and the distribution tank unit. The distribution tank unit includes an aperture plate that reduces a passage cross-sectional area of the coolant passage. Among the plurality of tubes, the cold storage material container is joined to at least a tube disposed upstream in a coolant flow direction from the aperture plate in the coolant passage. Accordingly, cold storage performance may be improved.Type: GrantFiled: September 19, 2014Date of Patent: September 3, 2019Assignee: DENSO CORPORATIONInventors: Jun Abei, Tomohiko Nakamura, Hirofumi Futamata, Yuusuke Kitou, Toshiya Nagasawa
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Patent number: 10352599Abstract: An evaporator is provided with a refrigerant pipe, a cold storage case which has inner fins mounted therein, and air-side fins. The evaporator is characterized in that the cold storage case is provided with: a filling opening for filling the cold storage case with a cold storage material; a first flow passage connecting to the filling opening and extending in the same direction as the direction of inflow of the cold storage material; and a second flow passage connecting to the first flow passage and extending in the direction intersecting the first flow passage.Type: GrantFiled: April 1, 2013Date of Patent: July 16, 2019Assignee: DENSO CORPORATIONInventors: Aun Ota, Jun Abei, Eiichi Torigoe, Toshiya Nagasawa
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Publication number: 20190056164Abstract: A cold storage heat exchanger includes refrigerant tubes having therein refrigerant passages and arranged to provide a clearance therebetween. A cold storage container is bonded to a refrigerant tube and defines therein a compartment receiving a cold storage material. The cold storage container has protrusion portions protruding outward and being in contact with the refrigerant tube.Type: ApplicationFiled: October 22, 2018Publication date: February 21, 2019Inventors: Atsushi YAMADA, Seiji INOUE, Yoshio MIYATA, Naoki YOKOYAMA, Etsuo HASEGAWA, Jun ABEI, Hiroshi ISHIKAWA, Aun OTA, Kouta HAGIHARA
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Patent number: 10132549Abstract: A cold storage heat exchanger includes multiple refrigerant tubes arranged to provide a clearance therebetween, multiple cold storage containers each of which is interposed between adjacent refrigerant tubes, bonded to the adjacent refrigerant tubes and defining a compartment receiving a cold storage material. A surface of each cold storage container has multiple protrusion portions, and each protrusion portion protrudes outward and is in contact with the adjacent refrigerant tubes. The multiple protrusion portions are arranged in a zigzag manner or extend continuously in an air flow direction.Type: GrantFiled: February 9, 2015Date of Patent: November 20, 2018Assignee: DENSO CORPORATIONInventors: Atsushi Yamada, Seiji Inoue, Yoshio Miyata, Naoki Yokoyama, Etsuo Hasegawa, Jun Abei, Hiroshi Ishikawa, Aun Ota, Kouta Hagihara
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Publication number: 20180306525Abstract: An evaporator includes multiple cold storage mechanisms for lowering a temperature of a cold storage material housed inside a cold storage container by heat exchange with a refrigerant. The multiple cold storage mechanisms include a first cold storage mechanism and a second cold storage mechanism higher in heat storage-and-radiation performance than the first cold storage mechanism.Type: ApplicationFiled: April 19, 2016Publication date: October 25, 2018Applicant: DENSO CORPORATIONInventors: Yuusuke KITOU, Jun ABEI, Norihide KAWACHI, Eiichi TORIGOE, Shota CHATANI
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Publication number: 20180281553Abstract: A cold storage heat exchanger includes: a plurality of refrigerant tubes disposed at intervals, each of the refrigerant tubes including a refrigerant passage that allows a refrigerant to flow therethrough; a cold storage material adjacent to the refrigerant tubes; and a heat transfer suppressor that suppresses heat transfer from the refrigerant tubes to the cold storage material in an overheated area of the refrigerant formed in the refrigerant passage.Type: ApplicationFiled: September 23, 2016Publication date: October 4, 2018Inventors: Jun ABEI, Toshiya NAGASAWA, Eiichi TORIGOE, Naohisa ISHIZAKA, Norihide KAWACHI, Yuusuke KITOU, Ken NISHIMURA, Masakazu NAGAYA
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Patent number: 9989315Abstract: A cold storage heat exchanger has refrigerant pipes fins, and cold-storage-medium containers. The cold-storage-medium container is arranged next to the refrigerant pipe. A cold storage medium is accommodated in the cold-storage-medium container in order to leave an air cell, and to provide a filling ratio of less than 90%. The cold-storage-medium container has a plurality of depressions at an inside of the cold-storage-medium container. The depression is a dimple. The plurality of depressions are joined each other at top parts and provide high rigidity. The cold-storage-medium container is positioned on the refrigerant pipe by an engaging projection. An open end of an open depression is covered by the refrigerant pipe. The cold storage medium can flow into the open depression. Therefore, the cold storage medium may directly contact the refrigerant pipe, and is directly cooled with the refrigerant.Type: GrantFiled: June 20, 2013Date of Patent: June 5, 2018Assignee: DENSO CORPORATIONInventors: Yuusuke Kitoh, Toshiya Nagasawa, Eiichi Torigoe, Aun Ota, Jun Abei, Daisuke Haseba
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Patent number: 9927160Abstract: An evaporator includes multiple refrigerant tubes, multiple air passages provided between the refrigerant tubes, a cold storage container disposed in the multiple air passages, and a temperature detector. The evaporator further includes a freezing allowable region and a freezing unallowable region that is provided above the freezing allowable region. The cold storage container has a small thickness region and a large thickness region that is positioned above the small thickness region. The large thickness region demarcates a smaller space with the refrigerant tubes than the space demarcated between the small thickness region and the refrigerant tubes. The small thickness region of the cold storage container is positioned within the freezing allowable region, the large thickness region is positioned in the freezing unallowable region, and the temperature detector is disposed in the freezing allowable region.Type: GrantFiled: July 22, 2013Date of Patent: March 27, 2018Assignee: DENSO CORPORATIONInventors: Daisuke Haseba, Toshiya Nagasawa, Eiichi Torigoe, Jun Abei
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Publication number: 20170321974Abstract: An aluminum alloy clad material includes a core material, one side being clad with cladding material 1, the other side being clad with cladding material 2, the core material including an aluminum alloy that includes 0.5 to 1.8% of Mn, and limited to 0.05% or less of Cu, with the balance being Al and unavoidable impurities, the cladding material 1 including an aluminum alloy that includes 3 to 10% of Si, and 1 to 10% of Zn, with the balance being Al and unavoidable impurities, and the cladding material 2 including an aluminum alloy that includes 3 to 13% of Si, and limited to 0.05% or less of Cu, with the balance being Al and unavoidable impurities, wherein the Si content X (%) in the cladding material 1 and the Si content Y (%) in the cladding material 2 satisfy the value (Y?X) is ?1.5 to 9%.Type: ApplicationFiled: November 18, 2015Publication date: November 9, 2017Applicants: DENSO CORPORATION, UACJ CorporationInventors: Shusuke Otsuki, Shoei Teshima, Yuusuke Kitoh, Jun Abei, Tomohiko Shoji, Naoki Yamashita, Toshikazu Tanaka, Hirokazu Tanaka
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Patent number: 9719732Abstract: A cold storage heat exchanger has refrigerant pipes and a cold storage material. Each of the refrigerant pipes has a refrigerant passage therein. The refrigerant pipes are arranged so as to be distanced from each other with clearances therebetween. The cold storage material is disposed in at least one of the clearances. At least another one of the clearances provides an air passage. The heat storage material is disposed in at least two of the clearances arranged adjacent to each other.Type: GrantFiled: August 1, 2013Date of Patent: August 1, 2017Assignee: DENSO CORPORATIONInventors: Aun Ota, Daisuke Haseba, Jun Abei, Yuusuke Kitoh, Eiichi Torigoe, Toshiya Nagasawa
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Publication number: 20160252281Abstract: A cold storage heat exchanger includes a plurality of tubes, a coolant flowing in the tubes, a cold storage material container joined to the tubes, the cold storage material container defining a room that houses a cold storage material, and a distribution tank unit that distributes the coolant to the tubes. A coolant passage is formed in the tubes and the distribution tank unit. The distribution tank unit includes an aperture plate that reduces a passage cross-sectional area of the coolant passage. Among the plurality of tubes, the cold storage material container is joined to at least a tube disposed upstream in a coolant flow direction from the aperture plate in the coolant passage. Accordingly, cold storage performance may be improved.Type: ApplicationFiled: September 19, 2014Publication date: September 1, 2016Inventors: Jun ABEI, Tomohiko NAKAMURA, Hirofumi FUTAMATA, Yuusuke KITOU, Toshiya NAGASAWA
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Patent number: 9372034Abstract: An object of the invention is to provide an effective cooling-energy storing performance and a stable cooling-energy radiating performance and to realize a high productivity. An evaporator has a plurality of refrigerant tubes arranged at almost equal intervals to form therebetween accommodating spaces. A plurality of cooling-storage containers are arranged in some of the accommodating spaces and fins are arranged in the remaining accommodating spaces. A cooling-storage unit is formed by one cooling-storage container and two refrigerant tubes arranged at both sides of the cooling-storage container. Each of the cooling-storage container has projections extending from one wall portion to the other wall portion to form heat exchange portions. The cooling-storage container is connected to the refrigerant tubes by soldering material.Type: GrantFiled: September 11, 2009Date of Patent: June 21, 2016Assignee: DENSO CORPORATIONInventors: Naoki Yokoyama, Yoshio Miyata, Etsuo Hasegawa, Masahiro Shimoya, Jun Abei, Ryoichi Sanada, Takashi Andoh, Seiji Inoue, Katsutoshi Enomoto
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Publication number: 20150211806Abstract: A cold storage heat exchanger has: refrigerant pipes each of which has a refrigerant passage therein, the refrigerant pipes arranged to be distanced from each other with clearances therebetween; and a cold storage material disposed in at least one of the clearances. At least an another one of the clearances provides an air passage. The heat storage material is disposed in at least two of the clearances arranged adjacent to each other. A refrigerant pipe pitch between two of the refrigerant pipes that are adjacent to each other and therebetween have the cold storage material is shorter than a refrigerant pipe pitch between two of the refrigerant pipes that are adjacent to each other and therebetween have the air passage. Thus, a time duration required for a cold storage can be shortened.Type: ApplicationFiled: August 1, 2013Publication date: July 30, 2015Inventors: Aun Ota, Daisuke Haseba, Jun Abei, Yuusuke Kitoh, Eiichi Torigoe, Toshiya Nagasawa
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Publication number: 20150198383Abstract: A cold storage heat exchanger has refrigerant pipes fins, and cold-storage-medium containers. The cold-storage-medium container is arranged next to the refrigerant pipe. A cold storage medium is accommodated in the cold-storage-medium container in order to leave an air cell, and to provide a filling ratio of less than 90%. The cold-storage-medium container has a plurality of depressions at an inside of the cold-storage-medium container. The depression is a dimple. The plurality of depressions are joined each other at top parts and provide high rigidity. The cold-storage-medium container is positioned on the refrigerant pipe by an engaging projection. An open end of an open depression is covered by the refrigerant pipe. The cold storage medium can flow into the open depression. Therefore, the cold storage medium may directly contact the refrigerant pipe, and is directly cooled with the refrigerant.Type: ApplicationFiled: June 20, 2013Publication date: July 16, 2015Inventors: Yuusuke Kitoh, Toshiya Nagasawa, Eiichi Torigoe, Aun Ota, Jun Abei, Daisuke Haseba
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Patent number: 9074799Abstract: Multiple cooling-storage containers are arranged in respective spaces formed between neighboring refrigerant tubes. The cooling-storage container is made of a pair of outer envelope portions, each forming a side wall. Multiple convex portions and concave portions are formed in the side walls so that air passages are formed between refrigerant tubes and the concave portions. A sectional area of the air passage formed in a lower portion of the cooling-storage container below a predetermined height is made larger than that of the air passage formed in an upper portion of the cooling-storage container above the predetermined height.Type: GrantFiled: May 2, 2012Date of Patent: July 7, 2015Assignee: DENSO CORPORATIONInventors: Jun Abei, Tomohiko Nakamura, Hirofumi Futamata, Toshiya Nagasawa
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Publication number: 20150184909Abstract: An evaporator includes multiple refrigerant tubes, multiple air passages provided between the refrigerant tubes, a cold storage container disposed in the multiple air passages, and a temperature detector. The evaporator further includes a freezing allowable region and a freezing unallowable region that is provided above the freezing allowable region. The cold storage container has a small thickness region and a large thickness region that is positioned above the small thickness region. The large thickness region demarcates a smaller space with the refrigerant tubes than the space demarcated between the small thickness region and the refrigerant tubes. The small thickness region of the cold storage container is positioned within the freezing allowable region, the large thickness region is positioned in the freezing unallowable region, and the temperature detector is disposed in the freezing allowable region.Type: ApplicationFiled: July 22, 2013Publication date: July 2, 2015Applicant: DENSO CORPORATIONInventors: Daisuke Haseba, Toshiya Nagasawa, Eiichi Torigoe, Jun Abei