Patents Assigned to Chi Hua Fitness Co., Ltd.
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Patent number: 11883718Abstract: A magnetic control device for directly sensing the motion load value especially the one that has a magnetic resistance mechanism which is “floating” and pivoted on the inner edge of the outer ring body of a flywheel; an acting rod, one end of is locked on the outside of the magnetic resistance mechanism and synchronized with it, and the other end has a pressure applied member connected to the beam load cell; a torque value conversion unit for converting the load value of the beam load cell into a torque value; so as to achieve directly measuring the motion load value, which has the effect of improving the detection accuracy.Type: GrantFiled: April 1, 2021Date of Patent: January 30, 2024Assignee: Chi Hua Fitness Co., Ltd.Inventor: Chia Jung Lee
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Patent number: 11689091Abstract: An eddy current type resistance device comprising: a ring-shaped flywheel; a shaft center, the shaft center has an axial blind hole, the shaft center has a radial blind hole, the radial blind hole is connected to the axial blind hole; a positioning frame, connected to the shaft center inside the ring-shaped flywheel; multiple magnetic field generating components, evenly arranged on the positioning frame, and make the signal wires of the magnetic field generating components pass through the radial blind hole and the axial blind hole the outer end of the shaft center; and a side cover, connecting to the other side of the ring-shaped flywheel, and is connected to the shaft center by a bearing. Thereby having the effect of simplifying the type and process of the side cover.Type: GrantFiled: October 13, 2021Date of Patent: June 27, 2023Assignee: Chi Hua Fitness Co., Ltd.Inventor: Chia Jung Lee
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Patent number: 11258344Abstract: A high torque reluctance brake device for fitness equipment, comprising: an external rotor including a flywheel and an outer ring body; at least two magnetic resistance mechanisms, each of them has a brake field core, a magnetic coil; a support frame for arranging magnetic resistance mechanisms to form an angle larger than 30 degree and to make between the outer periphery of the brake field core and the outer ring body has a gap; the control circuit unit transmits suitable current to the magnetic coil, then between the brake field core and the magnetic ring produced a eddy current magnetic resistance and forms a reverse resistance to the external rotor. By choosing different resistance setting can increase the variability of exercise and improve the comfort of exercise.Type: GrantFiled: September 29, 2020Date of Patent: February 22, 2022Assignee: Chi Hua Fitness Co., Ltd.Inventor: Chia Jung Lee
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Patent number: 11173343Abstract: A strength training equipment, comprising: a torque producing mechanism, a weight pulling mechanism, a controller, and an electronic instrument; wherein the torque producing mechanism is composed of the deceleration machine and the winding wheel connected to each other on the same shaft, a belt is winding on the winding wheel, and the free end of the belt is connected to the force applied unit of the weight pulling mechanism; a movement path sensor installed on the winding wheel, and an angle sensor installed at the lateral side of the guide pulley of the weight pulling mechanism; whereby inputting required torque value by electronic instrument, the servo control unit will drive the motor to produce torque, the user will have to against the torque while applying force to the extension element and the swinging element, so achieve the effect of strength training.Type: GrantFiled: January 16, 2020Date of Patent: November 16, 2021Assignee: Chi Hua Fitness Co., Ltd.Inventor: Chia-Jung Lee
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Patent number: 11141619Abstract: A spinner bike with adjustable magnetic resistance includes a generator, a disc plate, a magnetic resistance adjusting apparatus and a resistance adjusting apparatus. The elements are disposed on a frame body of a spinner bike, so that a pedaling mechanism of the spinner bike can be operated to drive a flywheel and the disc plate for generating electricity by the cutting of flux formed by a plurality of magnets surrounding an armature core. Rotating a button of the resistance adjusting apparatus enables a connecting rod operating a pulling cable, so as to further alter coverage of the flux on the disc plate for adjustment of the loading resistance.Type: GrantFiled: July 14, 2020Date of Patent: October 12, 2021Assignee: Chi Hua Fitness Co., Ltd.Inventors: Yuan-Pin Liu, Shang-Ta Wu
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Patent number: 11060582Abstract: An electric adjustable magnetic control damper comprises a force applied unit, a magnetic control unit, a driving unit, and a control unit; a driving rod drives the force applied unit displaced linearly, and a screw sleeve for the screw sleeve to displace linearly and for the screw rod and the magnetic ring to be rotatable, the magnetic control unit has a fixing seat able to displace linearly, and the fixing seat has a the permanent magnet, the driving unit has a motor and a gear train, the control unit can input the required damper value to drives the motor to rotate; whereby the motor and the gear train drives the fixing seat displaced, and create a required gap between the permanent magnet of the fixing seat and the rotor of the magnetic ring to create eddy load for being dampers of axial displacement of the driving rod and rotation of the rotor, and the damper achieves the effect of fitness exercise.Type: GrantFiled: September 9, 2019Date of Patent: July 13, 2021Assignee: Chi Hua Fitness Co., Ltd.Inventor: Chien-Hsiung Hung
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Patent number: 11033775Abstract: A swingable exercise bicycle mechanism includes a base frame, two fastening seats at the front and rear, two extension springs arranged symmetrically in pairs connecting with the fastening seats, at least one sliding shaft extending between and being supported by the two fastening seats, a slider arranged on the sliding shaft, and a buffer arranged between each of the two fastening seats and the slider. An exercise bicycle is secured onto the top surface of slider. When a user swings their body on the exercise bicycle, the slider causes the fastening seats to rotate, and simultaneously generate a torque in the opposite direction, which enhances the swinging effect of the exercise bicycle. By moving the user's body back and forth, the exercise bicycle applies reciprocating component forces, which causes shifting of the slider, whereby damping by the buffer device is overcome to achieve the effect of intense exercise.Type: GrantFiled: August 19, 2019Date of Patent: June 15, 2021Assignee: Chi Hua Fitness Co., Ltd.Inventors: Tai-Chuan Chen, Shang-Ta Wu
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Patent number: 10250107Abstract: Disclosed is a magnetic-controlled generator with built-in controller that has integrated design of power generator with magnetic resistance and control circuit unit. The built-in control circuit unit is electrically connected to an armature core, an external digital operator, and a magnetic coil, in order to convert AC power produced by the armature core into DC power to supply for the magnetic coil and meanwhile control the resistance of a flywheel by inserting a number of torque value to the external digital operator. In addition, a software is built inside the generator for instant torque calibration without connecting to extra devices. In application to training machines, the device is easy to be installed and operated without restrictions in extra spaces for a controller and configuration of wires.Type: GrantFiled: December 5, 2017Date of Patent: April 2, 2019Assignee: Chi Hua Fitness Co., Ltd.Inventor: Ying-Che Lee
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Patent number: 9981153Abstract: A brake controller for spinner bikes has a frame body engaging a pair of connecting pieces, a shaft engaging a first block through a top end thereof and a second block through a bottom end thereof, and a magnetic encoder that has a PCB with coding circuit for detecting rotation of a magnet disposed under the second block. Thereby the brake controller controls two kinds of braking forces by a single button for spinner bikes.Type: GrantFiled: April 22, 2016Date of Patent: May 29, 2018Assignee: CHI HUA FITNESS CO., LTD.Inventor: Chia-Cheng Chou
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Patent number: 9662534Abstract: A pull exercise training device has a frame body, a reel including a shaft, a rolling wheel, a driver pulley wheel and at least one mainspring, a band connected to the rolling wheel with an end, a load force device including a first axle through a flywheel and a driven pulley wheel, a one way clutch disposed between the first axle and the flywheel, a belt winding around the driver pulley wheel and the driven pulley wheel, a generator set, and a control circuit having a controller electrically connected to a resistor, an armature, and an interface for operation.Type: GrantFiled: April 22, 2016Date of Patent: May 30, 2017Assignee: Chi Hua Fitness Co., Ltd.Inventor: Yuan-Pin Liu
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Patent number: 9472999Abstract: A damper with linear power generation and reluctance includes a tube body, a movable driving rod, and a generator whereby the driving rod displaces in linear movement in the tube body and drives a screw rod by a screw sleeve to connect and drive a driving mechanism to rotate a shaft of a generator thereof, rotating a rotor thereof and producing a torque by the electromagnetic loading from the operation of the magnet and group of coil as the buffer and damping force for the linear displacement. The present invention complements the defect of oil leakage in the prior art and produces reluctance by the generator thereof, producing the damping force in a short time and being able to keep the balance of the force, therefore featuring itself longer durability with high quality.Type: GrantFiled: March 25, 2015Date of Patent: October 18, 2016Assignee: Chi Hua Fitness Co., Ltd.Inventor: Ying-Che Lee
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Patent number: 9404548Abstract: An adjustable damper includes a tube body, a driving rod to be displaced in the tube body and to engage a screw sleeve to drive a screw rod and further a fixed seat for rotation. The fixed seat has a plurality of permanent magnets surrounding for circular rotation and an operation element is driven by a rotating element for repeated linear displacement; a magnetic surface is further arranged on an inner periphery of an annular element of the operation element and an annular gap is arranged between the magnetic surface and the permanent magnets; therefore the displacing annular element is able to adjust a damping force of the driving rod by adjusting an overlapped area of the permanent magnets and a magnetic surface, and further adjust an eddy load formed thereby. The damper overcomes the problem of oil leakage and ensures the durability and quality with its adjustability.Type: GrantFiled: November 5, 2015Date of Patent: August 2, 2016Assignee: Chi Hua Fitness Co., Ltd.Inventor: Ying-Che Lee
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Patent number: 9061171Abstract: A hybrid electric weight device applying to exercise equipment, including a frame body, a load mechanism having a main shaft, a motor torque member and a spring member, a force mechanism having at least a set of rods, load cells and handles, an acceleration processing board having an acceleration sensor and a microprocessor, a digital watch arranged on the frame body for users inputting an exercise set value; and a servo controller. When operating the force mechanism, the users feel the load generated by both the motor torque member and the spring member of the load mechanism, and the; the servo controller continues to compare differences in the value of the load cell, digital watch and acceleration processing board and then corrects the current value to drive the motor torque member.Type: GrantFiled: July 29, 2013Date of Patent: June 23, 2015Assignee: Chi Hua Fitness Co., Ltd.Inventor: Li-Min Hsieh
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Publication number: 20150167769Abstract: A linear damper, particularly to convert the linear displacement motion into the circular rotation motion for getting magnetic reluctance, comprising: a tube body and a driving rod being movable in the tube body; wherein the driving rod in the first axial passage is in the linear displacement motion, and the screw rod is rotated by the screw sleeve to drive the fixed seat for rotation, so that the permanent magnet is in a circular rotation motion; a torque is produced by Eddy load formed between the permanent magnet and the magnetic surface to be as a buffering and damping of the linear displacement motion of the driving rod, solving oil leakage problem and ensuring the service life and quality.Type: ApplicationFiled: December 13, 2013Publication date: June 18, 2015Applicant: CHI HUA FITNESS CO., LTD.Inventor: YING-CHE LEE
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Patent number: 8957641Abstract: A magnetic controlled power generator provides a magnetic controlled loading device, power generator and flywheel device to form two independent modules which are easily assembled and disassembled for easy manufacture and maintenance. Besides, the magnetic controlled power generator has simple installation and lightweight components to generate a radial displacement for magnetic flux control, achieving continuous adjustment of the load resistance, thereby having the effect of reducing the cost and weight.Type: GrantFiled: September 26, 2013Date of Patent: February 17, 2015Assignee: Chi Hua Fitness Co., Ltd.Inventor: Cheng-Chien Hsu
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Patent number: 8932185Abstract: A brake device with built-in power generation mechanism and permanent magnetism eddy current comprises: an external rotator including a flywheel and a permanent magnet fixed at an inner periphery of the flywheel; an internal stator including a fixing bracket and a tile-shaped armature mounted at an outer periphery of the fixing bracket; a brake mechanism including a magnetic-conductive plate; when the external rotator is rotated the tile-shaped armature generates a three-phase alternating current, and the arc-shaped metal plate generates eddy current and braking torque of magnetic resistant; a cooling fan mounted on the flywheel to produce a cooling effect; an adjustment mechanism provided for adjusting a gap between the arc-shaped metal plate and the permanent magnet to adjust magnetic flux, and thus change the braking resistant load; a controller transferring the three-phase alternating current into direct current for required power of the control panel and server.Type: GrantFiled: July 31, 2012Date of Patent: January 13, 2015Assignee: Chi Hua Fitness Co., Ltd.Inventor: Li-Min Hsieh
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Publication number: 20140035414Abstract: A brake device with built-in power generation mechanism and permanent magnetism eddy current comprises: an external rotator including a flywheel and a permanent magnet fixed at an inner periphery of the flywheel; an internal stator including a fixing bracket and a tile-shaped armature mounted at an outer periphery of the fixing bracket; a brake mechanism including a magnetic-conductive plate; when the external rotator is rotated the tile-shaped armature generates a three-phase alternating current, and the arc-shaped metal plate generates eddy current and braking torque of magnetic resistant; a cooling fan mounted on the flywheel to produce a cooling effect; an adjustment mechanism provided for adjusting a gap between the arc-shaped metal plate and the permanent magnet to adjust magnetic flux, and thus change the braking resistant load; a controller transferring the three-phase alternating current into direct current for required power of the control panel and server.Type: ApplicationFiled: July 31, 2012Publication date: February 6, 2014Applicant: CHI HUA FITNESS CO., LTD.Inventor: LI-MIN HSIEH
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Patent number: 8414458Abstract: A strength training control device comprises: a torque source (including a base frame, a motor and a gear reduction box); and a link mechanism (including a gearbox arm, a first link rod, a second link rod, and an operating rod arm), wherein a S-type load cell is coupled to the first link rod and the second link rod to sense a load value. The control device further comprises: an operating rod, an electronic meter for setting a torque value, and a servo controller for comparing a load value of S-type load cell with a set value of the electronic meter. After the difference value is adjusted, an electric current is outputted to drive the motor, and the motor torque is amplified by the gear reduction box and transmitted through the link mechanism to the operating rod, and users can obtain a torque value equal to the setting of the electronic meter.Type: GrantFiled: May 17, 2011Date of Patent: April 9, 2013Assignee: Chi Hua Fitness Co., Ltd.Inventor: Li-Min Hsieh
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Patent number: 8414459Abstract: A strength training control device comprises: a torque source (including a base frame, a motor and a gear reduction box); a drive arm, an operating rod, and a link mechanism. A beam-type load cell is coupled to the operating rod, the link mechanism, and the drive arm for measuring the load value. An electronic meter is provided for setting a torque value, and a servo controller for comparing a load value of beam-type load cell with a set value of the electronic meter. After the difference value is adjusted, an electric current is outputted to drive the motor, and the motor torque is amplified by the gear reduction box and transmitted through the link mechanism to the operating rod, and users can obtain a torque value equal to the setting of the electronic meter.Type: GrantFiled: May 17, 2011Date of Patent: April 9, 2013Assignee: Chi Hua Fitness Co., Ltd.Inventor: Li-Min Hsieh
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Publication number: 20120231929Abstract: A strength training control device comprises: a torque source (including a base frame, a motor and a gear reduction box); and a link mechanism (including a gearbox arm, a first link rod, a second link rod, and an operating rod arm), wherein a S-type load cell is coupled to the first link rod and the second link rod to sense a load value. The control device further comprises: an operating rod, an electronic meter for setting a torque value, and a servo controller for comparing a load value of S-type load cell with a set value of the electronic meter. After the difference value is adjusted, an electric current is outputted to drive the motor, and the motor torque is amplified by the gear reduction box and transmitted through the link mechanism to the operating rod, and users can obtain a torque value equal to the setting of the electronic meter.Type: ApplicationFiled: May 17, 2011Publication date: September 13, 2012Applicant: CHI HUA FITNESS CO., LTD.Inventor: LI-MIN HSIEH