Patents by Inventor Zhao Kong
Zhao Kong 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: 20230190058Abstract: A vacuum cleaner, includes a dirty air inlet, a clean air outlet and an air channel arranged between the dirty air inlet and the clean air outlet. A vacuum generator is arranged inside the air channel. A first filter is arranged in the upper reach of the vacuum generator. A second filter is arranged in the upper reach of the first filter. The vacuum cleaner further comprises a state sensor. When in a second state, the first filter and the second filter are not combined, and the state sensor is not triggered. Missing mounting prevention detection of a main filter and a pre-filter can be realised at the same time by means of a micro-control switch, thereby saving on cost.Type: ApplicationFiled: December 5, 2017Publication date: June 22, 2023Inventors: Haiping Liu, Zhao Kong, Liang Xia
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Patent number: 11552527Abstract: A motor packing and mounting mechanism for a motor in a no larger than medium-sized appliance, such as wet and dry vacuum cleaner, a water aspirator, a water pump, or a humidifier, includes a motor seat supporting a motor in a housing so that the motor is axially disposed between the housing and the motor seat. At least one isolating cover is located inside the housing. A motor chamber for receiving the motor is defined among the housing, the motor seat, and the isolating cover. An axial mating clearance is defined between the isolating cover and the motor seat. A first seal is located and axially-mated in the axial mating clearance, the first seal having an elastic supporting portion. A cross section of the elastic supporting portion has a door-shaped structure, with the elastic supporting portion defining an opening facing an axial direction of the motor.Type: GrantFiled: August 15, 2018Date of Patent: January 10, 2023Assignee: SKYBEST ELECTRIC APPLIANCE (SUZHOU) CO., LTD.Inventors: Haiping Liu, Feng Wang, Zhao Kong, Liang Xia
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Patent number: 11535320Abstract: A walking mechanism for driving a machine body includes a walking wheel group having a plurality of walking wheels attached to the machine body, with two front and two rear wheels relative to a traveling direction. The machine body has two sides with a pair of one of the front wheels and a one of the rear wheels being respectively located on each of the sides and driven to rotate synchronously. Each walking wheel includes an auto tire casing with a tread outer side having a tread pattern distributed along a circumferential direction of the auto tire casing. The tread pattern is configured as a plurality of tread ribs with a respective tread groove formed between each adjacent pair of the tread ribs, the tread pattern radiating outward from an axial center of the walking wheel. A related robot and self-walking mower are also disclosed.Type: GrantFiled: January 18, 2018Date of Patent: December 27, 2022Assignee: Suzhou Cleva Precision Machinery and Technology Co., Ltd.Inventors: Zhao Kong, Ning Guo, Jiangwei Cui, Ronghua Xu
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Publication number: 20220369881Abstract: A vacuum cleaner includes an air inlet, a filter, a fan, and a main air outlet. The filter has a clean side and an unclean side. An unclean air chamber is formed between the air inlet and the unclean side of the filter. A first air chamber is formed between the clean side of the filter and the fan. An air outlet chamber is formed between the fan and the main air outlet. The upstream end of the air outlet chamber is connected to the first air chamber. An airflow may enter the vacuum cleaner from an external environment via the air inlet under the action of the fan, and sequentially passes through the unclean air chamber, the filter, the first air chamber and the air outlet chamber the main air outlet. The vacuum cleaner may include a self-cleaning air passage and an air supply air passage.Type: ApplicationFiled: March 9, 2022Publication date: November 24, 2022Inventors: Haiping Liu, Zhao Kong, Liang Liang
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Patent number: 11400586Abstract: A belt drive system includes a driving wheel, a driven wheel and a drive belt. A first and a second drive belt tensioning mechanism are included. When a first drive member rotates, it moves relative to a first mounting seat and along an axial direction of the first drive member to drive the first tensioning device to move relative to the housing. When a second drive member rotates, it drives the second tensioning device to move relative to the second mounting seat. A related automatic walking robot includes a housing, a road wheel set rotatably arranged on the housing, and a walking motor arranged on the housing for driving the road wheel set.Type: GrantFiled: September 26, 2018Date of Patent: August 2, 2022Assignee: Suzhou Cleva Precision Machinery and Technology Co., LtdInventors: Zhao Kong, Kui Han
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Patent number: 11297990Abstract: A vacuum cleaner includes an air inlet, a filter, a fan, and a main air outlet. The filter has a clean side and an unclean side. An unclean air chamber is formed between the air inlet and the unclean side of the filter. A first air chamber is formed between the clean side of the filter and the fan. An air outlet chamber is formed between the fan and the main air outlet. The upstream end of the air outlet chamber is connected to the first air chamber. An airflow may enter the vacuum cleaner from an external environment via the air inlet under the action of the fan, and sequentially passes through the unclean air chamber, the filter, the first air chamber and the air outlet chamber the main air outlet. The vacuum cleaner may include a self-cleaning air passage and an air supply air passage.Type: GrantFiled: December 5, 2017Date of Patent: April 12, 2022Assignee: SKYBEST ELECTRIC APPLIANCE CO., LTD.Inventors: Haiping Liu, Zhao Kong, Liang Xia
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Patent number: 11059158Abstract: A combination electric tool includes a main body and at least one working part drivable via and separably attachable to the main body. The main body includes an electric motor and a control circuit with a signal recognition module having a microcontroller. The working part includes an identification module, the signal recognition module and the identification module being communicable such that the microcontroller can recognize the working part. A control method includes attaching the main body to the working part; judging which kind of working part is attached and selecting corresponding preset programs; sampling a working parameter value of the electric motor; comparing the sampled working parameter value of the electric motor with a corresponding preset value, and judging whether the electric motor is at an abnormal working state; and if yes, powering off the electric motor, and if no, returning to the previous step.Type: GrantFiled: March 11, 2015Date of Patent: July 13, 2021Assignee: Suzhou Cleva Electric Appliance Co., Ltd.Inventor: Zhao Kong
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Patent number: 11015496Abstract: A small internal combustion engine includes a housing and an internal combustion engine body arranged in the housing. The internal combustion engine body includes a cylinder, a crankcase, a piston arranged in the cylinder, a crankshaft arranged in the crankcase and driving the piston, and an oil pan arranged at a bottom of the crankcase. The oil pan has an oil pan inlet, and the housing has a housing oil inlet. A hose connected to the oil pan inlet and the housing oil inlet forms a fluid passage for lubricating oil to flow from the housing oil inlet to the oil pan. A related garden tool includes a power source assembly that drives a working assembly to operate via a power transmission assembly.Type: GrantFiled: February 9, 2018Date of Patent: May 25, 2021Assignee: Suzhou Cleva Precision Machinery and Technology Co., Ltd.Inventors: Zhao Kong, Yu Feng, Ning Guo
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Publication number: 20210135537Abstract: A motor packing and mounting mechanism for a motor in a no larger than medium-sized appliance, such as wet and dry vacuum cleaner, a water aspirator, a water pump, or a humidifier, includes a motor seat supporting a motor in a housing so that the motor is axially disposed between the housing and the motor seat. At least one isolating cover is located inside the housing. A motor chamber for receiving the motor is defined among the housing, the motor seat, and the isolating cover. An axial mating clearance is defined between the isolating cover and the motor seat. A first seal is located and axially-mated in the axial mating clearance, the first seal having an elastic supporting portion. A cross section of the elastic supporting portion has a door-shaped structure, with the elastic supporting portion defining an opening facing an axial direction of the motor.Type: ApplicationFiled: August 15, 2018Publication date: May 6, 2021Inventors: Haiping Liu, Feng Wang, Zhao Kong, Liang Xia
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Patent number: 10888871Abstract: A food waste disposer includes a food conveying section, a grind and discharge section and a motor section used for driving the grind and discharge section to execute a grinding process. The motor section includes a universal motor, the universal motor includes a control device for controlling the output of the universal motor, and the control device includes a rectifier bridge circuit module for converting an AC power signal into a DC power signal.Type: GrantFiled: March 29, 2018Date of Patent: January 12, 2021Assignee: Skybest Electric Appliance (Suzhou) Co., Ltd.Inventors: Zhao Kong, Fei Chen, Ning Guo, Guangyue Zhu, Jianyong Lu
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Patent number: 10851721Abstract: A garden tool includes a gasoline engine and a power source, the gasoline engine including a fuel supply system and an ignition system. The garden tool may further include a control system with at least one sensor used for collecting a working condition signal of the gasoline engine and a controller used for receiving the working condition signal and controlling the fuel supply system and/or the ignition system according to the working condition signal received. The power source may provide a power supply for the fuel supply system, the ignition system, and the control system through the controller.Type: GrantFiled: January 13, 2017Date of Patent: December 1, 2020Assignee: Suzhou Cleva Precision Machinery & Technology, Co., Ltd.Inventors: Zhao Kong, Ning Guo, Xiaoping Cai, Fei Chen, Bin Cao
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Publication number: 20200306956Abstract: A belt drive system includes a driving wheel, a driven wheel and a drive belt. A first and a second drive belt tensioning mechanism are included. When a first drive member rotates, it moves relative to a first mounting seat and along an axial direction of the first drive member to drive the first tensioning device to move relative to the housing. When a second drive member rotates, it drives the second tensioning device to move relative to the second mounting seat. A related automatic walking robot includes a housing, a road wheel set rotatably arranged on the housing, and a walking motor arranged on the housing for driving the road wheel set.Type: ApplicationFiled: September 26, 2018Publication date: October 1, 2020Inventors: Zhao Kong, Kui Han
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Publication number: 20200245549Abstract: A garden tool includes a power assembly and a handle assembly. The handle assembly has a start key electrically connected with the power assembly and a cover capable of at least partially shielding the start key. The cover is configured to be moved from a closed position to an opened position under driving of external force so as to operate the start key. A reset member is located between the cover and the handle assembly, the reset member being capable of driving the cover to the closed position.Type: ApplicationFiled: October 24, 2018Publication date: August 6, 2020Inventors: Zhao Kong, Juan Wei, Zhang Tianrong, Weirui Yin
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Publication number: 20200248594Abstract: A small internal combustion engine includes a housing and an internal combustion engine body arranged in the housing. The internal combustion engine body includes a cylinder, a crankcase, a piston arranged in the cylinder, a crankshaft arranged in the crankcase and driving the piston, and an oil pan arranged at a bottom of the crankcase. The oil pan has an oil pan inlet, and the housing has a housing oil inlet. A hose connected to the oil pan inlet and the housing oil inlet forms a fluid passage for lubricating oil to flow from the housing oil inlet to the oil pan. A related garden tool includes a power source assembly that drives a working assembly to operate via a power transmission assembly.Type: ApplicationFiled: February 9, 2018Publication date: August 6, 2020Inventors: Zhao Kong, Yu Feng, Ning Guo
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Publication number: 20200239090Abstract: A walking mechanism for driving a machine body includes a walking wheel group having a plurality of walking wheels attached to the machine body, with two front and two rear wheels relative to a traveling direction. The machine body has two sides with a pair of one of the front wheels and a one of the rear wheels being respectively located on each of the sides and driven to rotate synchronously. Each walking wheel includes an auto tire casing with a tread outer side having a tread pattern distributed along a circumferential direction of the auto tire casing. The tread pattern is configured as a plurality of tread ribs with a respective tread groove formed between each adjacent pair of the tread ribs, the tread pattern radiating outward from an axial center of the walking wheel. A related robot and self-walking mower are also disclosed.Type: ApplicationFiled: January 18, 2018Publication date: July 30, 2020Inventors: Zhao Kong, Ning Guo, Jiangwei Cui, Ronghua Xu
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Patent number: 10704521Abstract: An electronic ignition system for a portable gasoline tool includes a voltage boosting device, a spark plug connected with an output of the voltage boosting device, a DC power source, and a controller electrically connected with the DC power source and connected with the voltage boosting device. The controller controls an ignition voltage and an ignition advance angle. A related portable gasoline tool includes a body, a cylinder located in the body, a piston movable to and fro within the cylinder, a crankshaft co-moved with the piston, and a flywheel located on the body and driven by the crankshaft to rotate.Type: GrantFiled: January 13, 2017Date of Patent: July 7, 2020Inventors: Zhao Kong, Fei Chen
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Publication number: 20200170180Abstract: A smart mower includes a housing with an inner housing located at a lower portion and an outer housing connected with the inner housing and located at an upper portion; a cutting mechanism; and a walking mechanism. The cutting mechanism and the walking mechanism are mounted in the inner housing. A handle is disposed on the inner housing adjacent the outer housing for conveying the smart mower. Projection of the handle on a horizontal plane is within a range of projection of the outer housing on the horizontal plane.Type: ApplicationFiled: August 17, 2018Publication date: June 4, 2020Inventors: Zhao Kong, Kui Han
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Publication number: 20200056575Abstract: A battery assembly includes a battery pack; a battery pack seat for mounting the battery pack, the battery pack seat having a base for creating an electrical connection with the battery pack; and a sealing member arranged between the battery pack and the base. The base has a first terminal, and the battery pack has a second terminal matched with the first terminal. One of the first terminal and the second terminal penetrates the sealing member for creating the electrical connection via the other one of the first terminal and the second terminal. A related electrically started gasoline engine is also disclosed.Type: ApplicationFiled: May 8, 2018Publication date: February 20, 2020Inventors: Zhao Kong, Ning Qou, Xiaoping Cai, Guangyue Zhu
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Patent number: D878427Type: GrantFiled: February 17, 2017Date of Patent: March 17, 2020Assignee: CANADIAN TIRE CORPORATION, LIMITEDInventors: David Quan, Bruce Cooper, Xiaoxian Bian, Zhao Kong
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Patent number: D888779Type: GrantFiled: May 10, 2019Date of Patent: June 30, 2020Assignee: CANADIAN TIRE CORPORATION, LIMITEDInventors: David Quan, Bruce Cooper, Xiaoxian Bian, Zhao Kong