Patents by Inventor Lee-Long Chen
Lee-Long Chen 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: 11719474Abstract: A refrigeration cabinet includes a freezing compartment, a first evaporator and a second evaporator. The freezing compartment includes a freezing compartment door, and the first evaporator and the second evaporator are both equipped in the freezing compartment. The first evaporator is turned off and a second evaporator is working while the freezing compartment door is opened.Type: GrantFiled: September 10, 2020Date of Patent: August 8, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Chun-Yang Hung, Chia-Wei Chen, Yi-Chung Chou
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Patent number: 11333444Abstract: A heat-exchange apparatus is provided, including a first heat exchanger, a second heat exchanger, a third heat exchanger and a fourth heat exchanger. The first heat exchanger is thermally separated from the second heat exchanger. The third heat exchanger is thermally connected to the first heat exchanger. The fourth heat exchanger is thermally connected to the second heat exchanger, wherein a first air flow passes through the first heat exchanger and the second heat exchanger to be divided into a first divergent flow and a second divergent flow, the first divergent flow flows on a surface of the first heat exchanger, the second divergent flow flows on a surface of the second heat exchanger, the first divergent flow does not flow on the surface of the second heat exchanger, and the second divergent flow does not flow on the surface of the first heat exchanger.Type: GrantFiled: May 22, 2020Date of Patent: May 17, 2022Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Wu-Chi Li, Chia-Wei Chen
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Patent number: 11085709Abstract: A heat exchange unit is disclosed. At least one air opening of the heat exchange unit is formed from a sloped surface, enabling the area of the air opening to exceed the cross-sectional area of heat exchange of the heat exchange unit, and further enhancing heat exchange efficiency. A heat exchange device employing the heat exchange unit and a closed electrical apparatus employing the heat exchange device are also disclosed.Type: GrantFiled: February 11, 2011Date of Patent: August 10, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Chien-Hsiung Huang, Ya-Sen Tu, Zse-Hsin Wang
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Publication number: 20210088261Abstract: A refrigeration cabinet includes a freezing compartment, a first evaporator and a second evaporator. The freezing compartment includes a freezing compartment door, and the first evaporator and the second evaporator are both equipped in the freezing compartment. The first evaporator is turned off and a second evaporator is working while the freezing compartment door is opened. In addition, a refrigeration cabinet operation method is also disclosed herein.Type: ApplicationFiled: September 10, 2020Publication date: March 25, 2021Inventors: Lee-Long CHEN, Chun-Yang HUNG, Chia-Wei CHEN, Yi-Chung CHOU
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Publication number: 20200284524Abstract: A heat-exchange apparatus is provided, including a first heat exchanger, a second heat exchanger, a third heat exchanger and a fourth heat exchanger. The first heat exchanger is thermally separated from the second heat exchanger. The third heat exchanger is thermally connected to the first heat exchanger. The fourth heat exchanger is thermally connected to the second heat exchanger, wherein a first air flow passes through the first heat exchanger and the second heat exchanger to be divided into a first divergent flow and a second divergent flow, the first divergent flow flows on a surface of the first heat exchanger, the second divergent flow flows on a surface of the second heat exchanger, the first divergent flow does not flow on the surface of the second heat exchanger, and the second divergent flow does not flow on the surface of the first heat exchanger.Type: ApplicationFiled: May 22, 2020Publication date: September 10, 2020Inventors: Lee-Long CHEN, Wu-Chi LI, Chia-Wei CHEN
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Patent number: 10697709Abstract: A heat-exchange apparatus is provided, including a first heat exchanger, a second heat exchanger, a third heat exchanger and a fourth heat exchanger. The first heat exchanger is thermally separated from the second heat exchanger. The third heat exchanger is thermally connected to the first heat exchanger. The fourth heat exchanger is thermally connected to the second heat exchanger, wherein a first air flow passes through the first heat exchanger and the second heat exchanger to be divided into a first divergent flow and a second divergent flow, the first divergent flow flows on a surface of the first heat exchanger, the second divergent flow flows on a surface of the second heat exchanger, the first divergent flow does not flow on the surface of the second heat exchanger, and the second divergent flow does not flow on the surface of the first heat exchanger.Type: GrantFiled: May 30, 2014Date of Patent: June 30, 2020Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Wu-Chi Li, Chia-Wei Chen
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Patent number: 10588244Abstract: A temperature-regulated cabinet (10) includes a cabinet body (1) and a temperature regulating module (2). The cabinet body (1) has a containing space (11) formed inside the cabinet body (1) and an opening (12) communicated with the containing space (11). The temperature regulating module (2) is detachably installed to the cabinet body (1) and covered onto the opening (12) and includes a temperature regulator (21), a first hood (22), a second hood (23) and an exhaust fan (24). The temperature regulator (21) has a casing (211). The first hood (22) is detachably installed to the top of the casing (211), and the second hood (23) is detachably installed to the bottom of the casing (211). The exhaust fan (24) is installed inside the first hood (22) or the second hood (23). The cabinet has the advantages of simplifying the production line and lowering the construction and operation costs.Type: GrantFiled: November 24, 2015Date of Patent: March 10, 2020Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Chia-Wei Chen, Jian-Jhang Wu, Chun-Yang Hung
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Patent number: 10056855Abstract: A variable-frequency motor device that runs on alternating current includes a first converting circuit, a second converting circuit, and a DC variable-frequency motor. An operation module is coupled to the variable-frequency motor device, and provides the alternating current to the first or second converting circuit. The first converting circuit receives the alternating current, and generates a first rotation-speed signal. The second converting circuit receives the alternating current, and generates a second rotation-speed signal. The DC variable-frequency motor is driven at a rotation speed according to the first or second rotation-speed signal.Type: GrantFiled: July 18, 2013Date of Patent: August 21, 2018Assignee: DELTA ELECTRONICS, INC.Inventors: Hsin-Chih Lin, Lee-Long Chen, Kun-Chou Lee
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Patent number: 10054342Abstract: An air conditioner is provided that includes an outer circulation unit. The outer circulation unit includes an outer circulation housing, an outer circulation inlet, an outer circulation outlet, and a condenser. The outer circulation inlet is formed on the outer circulation housing. The outer circulation outlet is formed on the outer circulation housing. An outer circulation flow enters the outer circulation unit via the outer circulation inlet, passes through the condenser to remove heat from the condenser, and leaves the outer circulation unit via the outer circulation outlet, wherein the height of the outer circulation inlet is higher than the height of the outer circulation outlet in a vertical direction.Type: GrantFiled: January 24, 2016Date of Patent: August 21, 2018Assignee: Delta Electronics, Inc.Inventors: Lee-Long Chen, Chia-Wei Chen, Jian-Jhang Wu, Chun-Yang Hung
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Patent number: 9706682Abstract: A heat exchanging module comprises a casing, a plurality of first air guiding elements and a plurality of first separation elements. The first air guiding elements are disposed in the casing. Each of the first air guiding elements comprises a plurality of first structures and a plurality of second structures, the first structures are disposed parallelly, and the second structures are disposed between the first structures and connected with the first structures to form a plurality of first channels. Each of the first separation elements is disposed between the two adjacent first air guiding elements to form a second channel. An airflow direction of the first channels is different from that of the second channels. The present invention further provides an electronic device using the same.Type: GrantFiled: September 9, 2015Date of Patent: July 11, 2017Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Wu-Chi Li
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Publication number: 20160302326Abstract: A temperature-regulated cabinet (10) includes a cabinet body (1) and a temperature regulating module (2). The cabinet body (1) has a containing space (11) formed inside the cabinet body (1) and an opening (12) communicated with the containing space (11). The temperature regulating module (2) is detachably installed to the cabinet body (1) and covered onto the opening (12) and includes a temperature regulator (21), a first hood (22), a second hood (23) and an exhaust fan (24). The temperature regulator (21) has a casing (211). The first hood (22) is detachably installed to the top of the casing (211), and the second hood (23) is detachably installed to the bottom of the casing (211). The exhaust fan (24) is installed inside the first hood (22) or the second hood (23). The cabinet has the advantages of simplifying the production line and lowering the construction and operation costs.Type: ApplicationFiled: November 24, 2015Publication date: October 13, 2016Inventors: Lee-Long CHEN, Chia-Wei CHEN, Jian-Jhang WU, Chun-Yang HUNG
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Publication number: 20160282034Abstract: An air conditioner is provided that includes an outer circulation unit. The outer circulation unit includes an outer circulation housing, an outer circulation inlet, an outer circulation outlet, and a condenser. The outer circulation inlet is formed on the outer circulation housing. The outer circulation outlet is formed on the outer circulation housing. An outer circulation flow enters the outer circulation unit via the outer circulation inlet, passes through the condenser to remove heat from the condenser, and leaves the outer circulation unit via the outer circulation outlet, wherein the height of the outer circulation inlet is higher than the height of the outer circulation outlet in a vertical direction.Type: ApplicationFiled: January 24, 2016Publication date: September 29, 2016Inventors: Lee-Long CHEN, Chia-Wei CHEN, Jian-Jhang WU, Chun-Yang HUNG
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Publication number: 20160286684Abstract: A heat exchanging module comprises a casing, a plurality of first air guiding elements and a plurality of first separation elements. The first air guiding elements are disposed in the casing. Each of the first air guiding elements comprises a plurality of first structures and a plurality of second structures, the first structures are disposed parallelly, and the second structures are disposed between the first structures and connected with the first structures to form a plurality of first channels. Each of the first separation elements is disposed between the two adjacent first air guiding elements to form a second channel. An airflow direction of the first channels is different from that of the second channels. The present invention further provides an electronic device using the same.Type: ApplicationFiled: September 9, 2015Publication date: September 29, 2016Inventors: Lee-Long CHEN, Wu-Chi LI
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Patent number: 9103348Abstract: A DC motor device includes a first converting circuit, a second converting circuit, and a DC motor. A switch element is coupled to the DC motor device, and provides an alternating current to the first or second converting circuit. The first converting circuit receives the alternating current, and generates a first rotation speed signal. The second converting circuit receives the alternating current, and generates a second rotation speed signal. The DC motor is driven at a rotation speed according to the first or second rotation speed signal.Type: GrantFiled: July 17, 2013Date of Patent: August 11, 2015Assignee: Delta Electronics, Inc.Inventors: Hsin-Chih Lin, Ya-Sen Tu, Lee-Long Chen, Kuo-Cheng Lin
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Patent number: 9057384Abstract: An integrated fan includes a centrifugal blade unit and a frame. The centrifugal blade unit has a hub. The frame is used for accommodating the centrifugal blade unit. The frame includes a first casing, a second casing and at least one airflow-guiding plate. The first casing includes a main plate and an airflow inlet, wherein the airflow inlet is disposed in the main plate and aligned with the hub. The second casing is opposed to the main plate of the first casing. The at least one airflow-guiding plate is aslant and externally extended from an edge of the main plate. The airflow-guiding plate, the first casing and the second casing collectively define an airflow output channel. An included angle between an airflow-leaving direction of the airflow output channel and an airflow-entering direction of the airflow inlet is ranged between 90 and 180 degrees.Type: GrantFiled: September 15, 2011Date of Patent: June 16, 2015Assignee: DELTA ELECTRONICS, INC.Inventors: Lee-Long Chen, Zse-Hsin Wang, Chien-Hsiung Huang
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Publication number: 20150114600Abstract: A heat-exchange apparatus is provided, including a first heat exchanger, a second heat exchanger, a third heat exchanger and a fourth heat exchanger. The first heat exchanger is thermally separated from the second heat exchanger. The third heat exchanger is thermally connected to the first heat exchanger. The fourth heat exchanger is thermally connected to the second heat exchanger, wherein a first air flow passes through the first heat exchanger and the second heat exchanger to be divided into a first divergent flow and a second divergent flow, the first divergent flow flows on a surface of the first heat exchanger, the second divergent flow flows on a surface of the second heat exchanger, the first divergent flow does not flow on the surface of the second heat exchanger, and the second divergent flow does not flow on the surface of the first heat exchanger.Type: ApplicationFiled: May 30, 2014Publication date: April 30, 2015Applicant: DELTA ELECTRONICS, INC.Inventors: Lee-Long CHEN, Wu-Chi LI, Chia-Wei CHEN
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Patent number: 8863535Abstract: An air conditioning apparatus and a control method thereof are provided. The air conditioning apparatus includes a first switch valve, a compressor, a decompression element, a second switch valve, a condenser, and an evaporator. The control method of an air conditioning apparatus includes steps of setting a preset temperature, measuring an indoor temperature, and comparing the preset temperature with the indoor temperature. When the indoor temperature is lower than the preset temperature, the first switch valve and the second switch valve are turned on and the compressor is turned off; and when the indoor temperature is higher than the preset temperature, the first switch valve and the second switch valve are turned off and the compressor is turned on.Type: GrantFiled: December 8, 2011Date of Patent: October 21, 2014Assignee: Delta Electronics, Inc.Inventors: Lee-Long Chen, Wu-Chi Li, Ya-Sen Tu
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Publication number: 20140227105Abstract: A DC motor device includes a first converting circuit, a second converting circuit, and a DC motor. A switch element is coupled to the DC motor device, and provides an alternating current to the first or second converting circuit. The first converting circuit receives the alternating current, and generates a first rotation speed signal. The second converting circuit receives the alternating current, and generates a second rotation speed signal. The DC motor is driven at a rotation speed according to the first or second rotation speed signal.Type: ApplicationFiled: July 17, 2013Publication date: August 14, 2014Inventors: Hsin-Chih LIN, Ya-Sen TU, Lee-Long CHEN, Kuo-Cheng LIN
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Publication number: 20140227108Abstract: A variable-frequency motor device that runs on alternating current includes a first converting circuit, a second converting circuit, and a DC variable-frequency motor. An operation module is coupled to the variable-frequency motor device, and provides the alternating current to the first or second converting circuit. The first converting circuit receives the alternating current, and generates a first rotation-speed signal. The second converting circuit receives the alternating current, and generates a second rotation-speed signal. The DC variable-frequency motor is driven at a rotation speed according to the first or second rotation-speed signal.Type: ApplicationFiled: July 18, 2013Publication date: August 14, 2014Applicant: DELTA ELECTRONICS, INC.Inventors: Hsin-Chih LIN, Lee-Long CHEN, Kun-Chou LEE
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Patent number: 8643317Abstract: A single phase DC brushless motor controller, including: a micro control unit including: a Pulse Width Modulation (PWM) pin for receiving a PWM signal from a system; and a commutation logic unit for controlling the speed and rotation of a single phase DC brushless motor according to the PWM signal.Type: GrantFiled: April 13, 2011Date of Patent: February 4, 2014Assignee: Delta Electronics, Inc.Inventors: Lee-Long Chen, Ya-Sen Tu, Chia-Ching Tsai