Patents by Inventor Fumiaki Koike
Fumiaki Koike 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: 20190154279Abstract: A heat source unit includes a compressor and an electrical component box both disposed inside a casing, where a bottom frame forming a bottom surface of the casing includes a first bottom frame on which the compressor is disposed and a second bottom frame that is adjacent to the first bottom frame. At least half of the electrical component box is placed above the second bottom frame.Type: ApplicationFiled: February 28, 2017Publication date: May 23, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumiaki Koike, Shigeki Kamitani
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Publication number: 20190137119Abstract: A heat source unit includes: a corrugated plate-like bottom frame in which ridges and furrows extend across the front and rear direction or across the right and left direction; and mounting feet. The mounting feet include: supports that support, from below, the furrows of supported ends of the bottom frame on sides that the ridges and the furrows can be seen; and walls disposed on outer sides of the supported ends and that extend upward from the supports. Water drainage passages, that drain water sticking to tops of the ridges of the supported ends to the supports, are disposed above the supports.Type: ApplicationFiled: April 17, 2017Publication date: May 9, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumiaki Koike, Shigeki Kamitani, Daiki Hirawa
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Publication number: 20190120506Abstract: A heat source unit constitutes part of a basic refrigerant circuit including: a compressor that compresses refrigerant; an accumulator that temporarily accumulates the refrigerant before the refrigerant is sucked into the compressor; an oil separator that separates refrigerating machine oil from the refrigerant after the refrigerant has been discharged from the compressor; a heat source-side heat exchanger that functions as a radiator or an evaporator of the refrigerant; a liquid refrigerant communication pipe; utilization-side expansion valves; utilization-side heat exchangers; and a gas refrigerant communication pipe that are connected to one another, the heat source unit comprising refrigerant circuit constituent parts including the compressor, the accumulator, the oil separator, and the heat source-side heat exchanger that are provided inside a casing, and the refrigerant circuit constituent parts being changed or added in accordance with capacity or function.Type: ApplicationFiled: April 17, 2017Publication date: April 25, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumiaki Koike, Shigeki Kamitani
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Publication number: 20190107297Abstract: An outdoor unit for a refrigeration cycle apparatus includes: a fan; a bellmouth that covers a periphery of the fan; a casing that internally houses the fan and the bellmouth so that airflow faces upward and that has a top end edge having a flat shape; and a diffuser surface disposed below a top end edge of the casing but above a top end of the bellmouth and on the outer side relative to the top end of the bellmouth in plan view, wherein the diffuser surface is inclined to extend outward away from the rotation axis of the fan as getting upward. The casing has a plurality of side surfaces that cover the sides of the bellmouth. At least one of the side surfaces has a recessed shape toward the bellmouth so that a gap with the top end edge of the bellmouth is reduced.Type: ApplicationFiled: April 21, 2017Publication date: April 11, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumiaki Koike, Shigeki Kamitani
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Patent number: 9541323Abstract: An outdoor unit capable of promptly discharging dew condensation water dropped from a heat exchanger to an exterior is provided. A drainage port is formed in a bottom frame of an outdoor unit below a heat exchanger. A base leg of the bottom frame is formed to have a U shape section by upper plates abutted with a lower surface of the bottom frame, lower plates fixed to an installment surface, and standing plates connecting the upper plates and the lower plates, and further includes a first part and a second part with respect to the longitudinal direction. The first part is formed to have a U shape section opening outward in the horizontal direction with the lower plate thereof being fixed to the installment surface.Type: GrantFiled: November 7, 2012Date of Patent: January 10, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Mikio Kagawa, Fumiaki Koike
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Patent number: 9459039Abstract: An outdoor unit of an air conditioning device in which a compressor, a heat exchanger, and a fan are accommodated in a casing including a top plate, side plates, and a bottom plate is provided. The top plate is formed in a rectangular shape, and a flat mount surface is formed in each of corner portions of the top plate. Regarding each of sides of the top plate, an intermediate part excluding the corner portions serves as a retreat portion set back to the side of the device, and an end of the retreat portion and the mount surface are connected by a standing surface.Type: GrantFiled: October 12, 2012Date of Patent: October 4, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Fumiaki Koike, Mikio Kagawa, Shigeki Kamitani
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Patent number: 9273896Abstract: In an outdoor unit, an electric component unit includes an inlet part which communicates with an outlet side of an air blower and through which air on the outlet side flows into the electric component unit, and an outlet part which communicates with an inlet side of the air blower and through which air flows out from the electric component unit.Type: GrantFiled: May 17, 2012Date of Patent: March 1, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tadashi Sao, Mikio Kagawa, Shigeki Kamitani, Fumiaki Koike, Yusuke Nakagawa, Tomohisa Takeuchi, Katsutoshi Sakurai
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Patent number: 9228771Abstract: An outdoor unit for an air conditioning device includes an outdoor unit main body, a heat exchanger, a fan provided in an upper part of the outdoor unit main body, the fan blowing out the air taken in from a side surface of the outdoor unit main body upward, a ventilating member surrounding an outer circumference of the fan and forming a blow-out port, and an electric component unit accommodated in the outdoor unit main body and arranged in an opening portion between one side end portion and the other side end portion of the heat exchanger, wherein the electric component unit is provided so as to cross over a lower end of the ventilating member in the up and down direction, and on the upper side than the lower end of the ventilating member, the electric component unit is arranged on the horizontally outer side than the ventilating member.Type: GrantFiled: September 28, 2012Date of Patent: January 5, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shigeki Kamitani, Mikio Kagawa, Fumiaki Koike, Hiroshi Fuchikami
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Patent number: 9175897Abstract: An outdoor unit for an air conditioning device includes an outdoor unit main body, a heat exchanger, a fan provided in an upper part of the outdoor unit main body, the fan blowing out the air taken in from a side surface of the outdoor unit main body upward, a ventilating member surrounding an outer circumference of the fan and forming a blow-out port, and an electric component unit accommodated in the outdoor unit main body and arranged in an opening portion between one side end portion and the other side end portion of the heat exchanger, wherein the electric component unit is provided so as to cross over a lower end of the ventilating member in the up and down direction, and on the upper side than the lower end of the ventilating member, the electric component unit is arranged on the horizontally outer side than the ventilating member.Type: GrantFiled: September 28, 2012Date of Patent: November 3, 2015Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shigeki Kamitani, Mikio Kagawa, Fumiaki Koike, Hiroshi Fuchikami
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Publication number: 20150000321Abstract: An outdoor unit capable of promptly discharging dew condensation water dropped from a heat exchanger to an exterior is provided. A drainage port is formed in a bottom frame of an outdoor unit below a heat exchanger. A base leg of the bottom frame is formed to have a U shape section by upper plates abutted with a lower surface of the bottom frame, lower plates fixed to an installment surface, and standing plates connecting the upper plates and the lower plates, and further includes a first part and a second part with respect to the longitudinal direction. The first part is formed to have a U shape section opening outward in the horizontal direction with the lower plate thereof being fixed to the installment surface.Type: ApplicationFiled: November 7, 2012Publication date: January 1, 2015Inventors: Mikio Kagawa, Fumiaki Koike
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Publication number: 20140338384Abstract: An outdoor unit of an air conditioning device in which a heat exchanger is arranged in a bottom plate in a substantially rectangular parallelepiped shape casing including a top plate, side plates, and the bottom plate is provided. The heat exchanger is mounted on a plurality of expanded portions formed in the bottom plate. A first drainage hole through which a drainage fluid from the heat exchanger is discharged to an exterior is formed in each of the expanded portions, and a second drainage hole smaller than the first drainage hole is formed in the bottom plate under the heat exchanger excluding the expanded portions.Type: ApplicationFiled: November 9, 2012Publication date: November 20, 2014Inventors: Fumiaki Koike, Mikio Kagawa, Tadashi Sao, Shigeki Kamitani
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Publication number: 20140326437Abstract: An outdoor unit for an air conditioning device includes an outdoor unit main body, a heat exchanger, a fan provided in an upper part of the outdoor unit main body, the fan blowing out the air taken in from a side surface of the outdoor unit main body upward, a ventilating member surrounding an outer circumference of the fan and forming a blow-out port, and an electric component unit accommodated in the outdoor unit main body and arranged in an opening portion between one side end portion and the other side end portion of the heat exchanger, wherein the electric component unit is provided so as to cross over a lower end of the ventilating member in the up and down direction, and on the upper side than the lower end of the ventilating member, the electric component unit is arranged on the horizontally outer side than the ventilating member.Type: ApplicationFiled: September 28, 2012Publication date: November 6, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shigeki Kamitani, Mikio Kagawa, Fumiaki Koike, Hiroshi Fuchikami
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Publication number: 20140318173Abstract: An outdoor unit of an air conditioning device in which a compressor, a heat exchanger, and a fan are accommodated in a casing including a top plate, side plates, and a bottom plate is provided. The top plate is formed in a rectangular shape, and a flat mount surface is formed in each of corner portions of the top plate. Regarding each of sides of the top plate, an intermediate part excluding the corner portions serves as a retreat portion set back to the side of the device, and an end of the retreat portion and the mount surface are connected by a standing surface.Type: ApplicationFiled: October 12, 2012Publication date: October 30, 2014Inventors: Fumiaki Koike, Mikio Kagawa, Shigeki Kamitani
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Publication number: 20140124175Abstract: An outdoor unit includes a casing having a side surface formed with an inlet port; an outdoor fan arranged above the inlet port in the casing and configured to upwardly blow air; and an outdoor heat exchanger arranged so as to face the inlet port. The outdoor fan includes a fan and a bell mouth provided so as to surround the outer periphery of the fan, and an electric component unit positioned at the periphery of the bell mouth is arranged in the casing.Type: ApplicationFiled: May 17, 2012Publication date: May 8, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tadashi Sao, Mikio Kagawa, Shigeki Kamitani, Fumiaki Koike, Yusuke Nakagawa, Katsutoshi Sakurai, Tomohisa Takeuchi, Kazuto Yamagata
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Publication number: 20140047857Abstract: In an outdoor unit, an electric component unit includes an inlet part which communicates with an outlet side of an air blower and through which air on the outlet side flows into the electric component unit, and an outlet part which communicates with an inlet side of the air blower and through which air flows out from the electric component unit.Type: ApplicationFiled: May 17, 2012Publication date: February 20, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tadashi Sao, Mikio Kagawa, Shigeki Kamitani, Fumiaki Koike, Yusuke Nakagawa, Tomohisa Takeuchi, Katsutoshi Sakurai