Patents by Inventor Chung-Kai Lan
Chung-Kai Lan 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).
-
Patent number: 8186974Abstract: A fan includes a fan housing, a motor and an impeller. The fan housing includes a first pressure area, a second pressure area and a guiding portion. The pressure of the first pressure area is higher than the pressure of the second pressure area. The guiding portion has a first end and a second end, the first end of the guiding portion is disposed at the first pressure area and the second end of the guiding portion is disposed at the second pressure area for draining moisture gathered in the fan housing away from the first pressure area to the second pressure area. The motor is disposed in the fan housing, and the impeller is connected with the motor.Type: GrantFiled: March 4, 2009Date of Patent: May 29, 2012Assignee: Delta Electronics, Inc.Inventors: Chung-Kai Lan, Chen-Mo Jiang, Hung-Chi Chen
-
Patent number: 7959413Abstract: A fan includes an impeller and a motor. The impeller includes a hub and a plurality of blades. The hub has a top portion, a connection portion, and at least one airflow-guiding portion. The top portion is connected to the connection portion. The blades are disposed around the connection portion. The motor is disposed corresponding to the impeller and used to drive the impeller to rotate. The airflow-guiding portion is disposed between two adjacent blades.Type: GrantFiled: January 19, 2007Date of Patent: June 14, 2011Assignee: Delta Electronics, Inc.Inventors: Shihhua Ho, Shihying Huang, Tsung Yu Lei, Chung-kai Lan, Huan-Chi Chen, Wen-Shi Huang
-
Patent number: 7918651Abstract: An impeller includes a hub, a plurality of first blades, and a plurality of second blades. The first blades are disposed around the hub. The second blades are disposed between the first blades. The lengths of the second blades are shorter than those of the first blades. The impeller can avoid the airflow reflux and have good airflow efficiency.Type: GrantFiled: February 7, 2007Date of Patent: April 5, 2011Assignee: Delta Electronics, Inc.Inventors: Chen-Mo Jiang, Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20100166580Abstract: A fan includes a fan housing, a motor and an impeller. The fan housing includes a first pressure area, a second pressure area and a guiding portion. The pressure of the first pressure area is higher than the pressure of the second pressure area. The guiding portion has a first end and a second end, the first end of the guiding portion is disposed at the first pressure area and the second end of the guiding portion is disposed at the second pressure area for draining moisture gathered in the fan housing away from the first pressure area to the second pressure area. The motor is disposed in the fan housing, and the impeller is connected with the motor.Type: ApplicationFiled: March 4, 2009Publication date: July 1, 2010Inventors: Chung-Kai LAN, Chen-Mo JIANG, Hung-Chi CHEN
-
Patent number: 7701097Abstract: An impeller, which is driven by a stator, includes a conducting shell, a hub and a plurality of blades. The conducting shell covers at least one side of the stator. The hub covers the conducting shell. At least one air gap is formed between the hub and the stator. A top portion of the hub has an opening to partially expose a top portion of the conducting shell. At least one airflow passage is formed between an inner wall of the hub and an outer surface of the conducting shell. The airflow passage has at least one inlet connected with the opening and at least one outlet connected with the air gap. The blades are disposed around the circumferences of the hub.Type: GrantFiled: January 25, 2007Date of Patent: April 20, 2010Assignee: Delta Electronics, Inc.Inventors: Chung-Kai Lan, Hung-Chi Chen, Wen-Shi Huang
-
Patent number: 7671499Abstract: A bearing structure, which is cooperated with a shaft, includes a housing, a bearing, an elastic element and a blocking element. The shaft passes through the bearing. The elastic element presses against the bearing to provide a pre-stress to the bearing. The blocking element is apart from the bearing by a predetermined distance.Type: GrantFiled: May 18, 2007Date of Patent: March 2, 2010Assignee: Delta Electronics, Inc.Inventors: Chung-Kai Lan, Hung-Chi Chen, Te-Tsai Chuang
-
Patent number: 7585154Abstract: An impeller applied to a centrifugal fan includes a base plate, a hub and a plurality of first blades. The hub is connected to the base plate and the first blades are disposed on the base plate with respect to the hub as a center. Furthermore, the hub has a plurality of second blades disposed around its outer wall to enhance its performance. A centrifugal fan including the impeller is also disclosed.Type: GrantFiled: March 16, 2006Date of Patent: September 8, 2009Assignee: Delta Electronics, Inc.Inventors: Chung-Kai Lan, Huan-Chi Chen, Te-Tsai Chung, Wen-Shi Huang
-
Publication number: 20080247868Abstract: A fan has an impeller, a motor and a frame. The impeller and the motor are disposed within the frame, and the motor is connected to the impeller and drives the impeller to rotate. The impeller includes a hub and an odd number of blade sets. The blade sets are disposed around the circumference of the hub. Bach blade set has a plurality of the blades, and the blades of each blade set can be the same or not. For example, the blades in each of the blade sets have different tilting angles, heights and/or lengths while the blades are connected with the hub. Or the blades in each of the blade sets have different curvatures, arc lengths, thicknesses, or side-view shapes.Type: ApplicationFiled: February 1, 2008Publication date: October 9, 2008Inventors: Chung-Kai Lan, Hung-Chi Chen, Li-Chen Lin
-
Patent number: 7416387Abstract: A fan includes a fan frame and an impeller. The fan frame has a housing, a base and at least one supporting element. The inner wall of the housing has at least one guiding portion in the form of a curved cavity for increasing an airflow intake of the fan, and the base is disposed within the housing and has a bottom portion and a pressurizing portion. The pressurizing portion is disposed around the bottom portion for increasing an air pressure of the fan. The supporting elements are connected to the housing and the pressurized portion of the base. The impeller is disposed within the housing and supported by the base.Type: GrantFiled: February 16, 2006Date of Patent: August 26, 2008Assignee: Delta Electronics, Inc.Inventors: Chung-Kai Lan, Huan-Chi Chen, Te-Tsai Chuang, Wen-Shi Huang
-
Publication number: 20080056899Abstract: An impeller includes a hub, a plurality of blades, and an annular structure. The blades are disposed around the hub. The annular structure is connected to the blades. The annular structure includes a plurality of apertures. A balance material is filled in the apertures to achieve rotational balance of the impeller. Furthermore, a fan with the described impeller is provided. The fan and the impeller improve rotational stability, reliability and product life.Type: ApplicationFiled: February 22, 2007Publication date: March 6, 2008Inventors: Chen-Mo Jiang, Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20080036313Abstract: A magnetic conducting housing of a motor includes a body and at least one first positioning structure. The magnetic conducting housing has a magnetic element disposed around an inner wall thereof. The body has a top surface and a side wall connected with a circumference of the top surface to form an opening. The first positioning structure extends from the side wall of the body and is close to the opening for holding the magnetic element. Also, a motor and a fan with above-mentioned magnetic conducting housing are disclosed.Type: ApplicationFiled: July 20, 2007Publication date: February 14, 2008Inventors: Chen-Mo Jiang, Chung-Kai Lan, Lee-Long Chen, Hung-Chi Chen
-
Publication number: 20080036337Abstract: A fan and a motor thereof are disclosed. The motor includes a first module, a rotor assembly and a second module. The first module includes a housing and a stator assembly disposed within the housing. The rotor assembly includes a shaft and a magnetic element which mounts the shaft and is disposed corresponding to the stator assembly. The second module includes a base and a driving element disposed on the base and electrically connected with the stator assembly through a conducting structure. When the housing and the base are assembled, a space is obtained for accommodating the rotor assembly therein, and the shaft protrudes from the housing.Type: ApplicationFiled: August 2, 2007Publication date: February 14, 2008Inventors: Chen-Mo Jiang, Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20080024023Abstract: A motor includes a stator and a rotor. The stator has a magnetically conductive element. The rotor has a shaft and a magnetic element. The shaft penetrates through the magnetic element and the magnetically conductive element. The magnetic element is disposed corresponding to the magnetically conductive element. The stator and rotor are disposed within a closed space, and the shaft protrudes from the closed space. A fan for a vehicle is also disclosed.Type: ApplicationFiled: June 28, 2007Publication date: January 31, 2008Inventors: Chen-Mo Jiang, Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20080019824Abstract: An impeller includes a hub, a plurality of first blades, and a plurality of second blades. The first blades are disposed around the hub. The second blades are disposed between the first blades. The lengths of the second blades are shorter than those of the first blades. The impeller can avoid the airflow reflux and have good airflow efficiency.Type: ApplicationFiled: February 7, 2007Publication date: January 24, 2008Inventors: Chen-Mo Jiang, Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20080012434Abstract: A rotor structure of a motor includes a shaft, a holding ring, at least one connecting portion and a magnetic element. The holding ring is disposed on and connected with a periphery of the shaft. The connecting portion is disposed at a conjunction of the shaft and the holding ring. The magnetic element is disposed on a periphery of the holding ring.Type: ApplicationFiled: June 14, 2007Publication date: January 17, 2008Inventors: Chen-Mo Jiang, Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20080003101Abstract: A housing includes a top portion and a wall portion. The wall portion is connected with the circumference of the top portion. The top portion has a plurality of protruding structures disposed around a central axis of the top portion for increasing the force-bearing area of top portion. The thicknesses of the protruding structures are substantially the same as that of the top portion. The housing can be applied to a fan or a motor, and the housing can serve as a base of the motor, or serve as a hub of an impeller of the fan.Type: ApplicationFiled: May 25, 2007Publication date: January 3, 2008Inventors: Chung-Kai Lan, Hung-Chi Chen
-
Publication number: 20070273227Abstract: A fan includes an inner-rotor type motor and an impeller. The inner-rotor type motor includes a housing, a stator structure, a rotor structure and a driving device. The stator structure has a magnetically conducting element. The rotor structure includes a shaft and a magnetic element. The shaft passes through the housing. The magnetic element mounts on the shaft and is disposed corresponding to the magnetic conducting element. The driving device is electrically connected with the magnetically conducting element. The stator structure, the rotor structure and the driving device are accommodated in the housing. The impeller is connected to the shaft.Type: ApplicationFiled: April 26, 2007Publication date: November 29, 2007Inventors: Chung-Kai Lan, Hung-Chi Chen, Te-Tsai Chuang
-
Publication number: 20070273229Abstract: A bearing structure, which is cooperated with a shaft, includes a housing, a bearing, an elastic element and a blocking element. The shaft passes through the bearing. The elastic element presses against the bearing to provide a pre-stress to the bearing. The blocking element is apart from the bearing by a predetermined distance.Type: ApplicationFiled: May 18, 2007Publication date: November 29, 2007Inventors: Chung-Kai Lan, Hung-Chi Chen, Te-Tsai Chuang
-
Publication number: 20070270048Abstract: A terminal structure is fixed to a circuit board for electrically connecting a wire with the circuit board. The terminal structure includes a fixing part and a connecting part. The fixing part is fixed to the circuit board. The connecting part is connected with the fixing part to be electrically connected with the wire. A connecting method of the terminal structure is also disclosed.Type: ApplicationFiled: February 6, 2007Publication date: November 22, 2007Inventors: Chung-kai Lan, Hung-Chi Chen, Te-Tsai Chuang
-
Publication number: 20070205676Abstract: An impeller, which is driven by a stator, includes a conducting shell, a hub and a plurality of blades. The conducting shell covers at least one side of the stator. The hub covers the conducting shell. At least one air gap is formed between the hub and the stator. A top portion of the hub has an opening to partially expose a top portion of the conducting shell. At least one airflow passage is formed between an inner wall of the hub and an outer surface of the conducting shell. The airflow passage has at least one inlet connected with the opening and at least one outlet connected with the air gap. The blades are disposed around the circumferences of the hub.Type: ApplicationFiled: January 25, 2007Publication date: September 6, 2007Inventors: Chung-Kai Lan, Hung-Chi Chen, Wen-Shi Huang