Patents by Inventor Feiyu Li
Feiyu Li 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: 20240049609Abstract: Provided is a coupling component applied to a quantum chip, a quantum chip and a quantum computing device. The coupling component includes a first electrode plate and a second electrode plate. The first electrode plate includes a first coupling port and a second coupling port. The second electrode plate includes a third coupling port and a fourth coupling port. At least one of the following conditions is satisfied: a first coupling strength formed by coupling the first coupling port with a first qubit is different from a second coupling strength formed by coupling the second coupling port with a second qubit, and a third coupling strength formed by coupling the third coupling port with the first qubit is different from a fourth coupling strength formed by coupling the fourth coupling port with the second qubit.Type: ApplicationFiled: March 24, 2023Publication date: February 8, 2024Inventors: Feiyu LI, Lijing JIN
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Patent number: 10280603Abstract: An inlet valve having a shortened lifting lever mechanism includes a main body having defined therein a compression hole and a waterway passage; a sealing pad; a float; and a shortened lifting lever mechanism that is rotatably connected to the main body, that comprises at least two lever stages each having a fulcrum, respectively, and that include a first stage lever, and a last stage lever that are connected in a driving way. The float is coupled to the first stage lever so that a dynamic body is formed to drive the shortened lifting lever mechanism to move. The sealing pad is assembled to the last stage lever so that the sealing pad opens or closes the compression hole with the movement of the shortened lifting lever mechanism when the float moves up and down. A method of shortening a lifting lever mechanism of an inlet valve is also disclosed.Type: GrantFiled: March 27, 2015Date of Patent: May 7, 2019Inventor: Feiyu Li
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Patent number: 9835276Abstract: A quick-seal connecting component includes a first sealing ring, an expansion pipe and pipe joint with front and rear running through; the joint is assembled to a pipe in sealing engagement by the first sealing ring and the expansion pipe. The expansion pipe is sleeved on the outer wall of the pipe type joint. The first sealing ring is sleeved on the outer wall of the expansion pipe. The pipe type joint of the connecting component is assembled to the toilet pipe by the first sealing ring, the expansion pipe and the second sealing ring.Type: GrantFiled: September 11, 2013Date of Patent: December 5, 2017Assignee: XIAMEN AXENT CORPORATION LIMITEDInventor: Feiyu Li
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Patent number: 9677261Abstract: The present invention provides a quick siphon toilet. The quick siphon toilet comprises a toilet body and a water tank, the toilet body is disposed with a spray waterway to wash the bottom portion of the toilet body and a flush waterway to wash the periphery wall of the toilet body, the bottom portion of the toilet body is disposed with a siphon washing-out pipe, the water tank is disposed with a drain valve, wherein the drain valve is disposed with a first drain outlet connected to the flush waterway and a second drain outlet connected to the spray waterway, the spray waterway is disconnected to the flush waterway. In a condition of same water volume, the present invention has longer siphon time and flushing time and better washing-out effect. And the present invention uses less water based on well flushing function, thus making it water-saving.Type: GrantFiled: September 11, 2013Date of Patent: June 13, 2017Inventor: Feiyu Li
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Patent number: 9661962Abstract: A toilet cover and an implementation method thereof includes a toilet seat, a toilet top cover, a rotation mechanism and two supports, two supports are respectively disposed with an insert pin, each insert pin is disposed with a lock groove at the side wall of the top portion, the rotation mechanism is disposed with two radial insert holes for the insert pins to insert; wherein further comprising at least one switch component disposed at the external wall of the two supports, a lock element and an elastic element, both ends of the lock element are respectively disposed with a lock catch to lock to the lock groove of the insert pin or release the lock, the switch component drives the lock element to move so as to release the lock; the lock element is repositioned by the elastic element.Type: GrantFiled: May 26, 2014Date of Patent: May 30, 2017Inventor: Feiyu Li
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Patent number: 9605421Abstract: A water-saving siphon toilet has a toilet body and a water tank, a eject water channel used for flushing the bottom of the toilet body and a brushing water channel used for brushing the washable surface of the toilet body are arranged between the toilet body and the water tank, and a siphon channel used for pollution is arranged at the bottom of the toilet body, and a first drain valve and a overflow pipe are arranged in the water tank, the eject water channel is isolated from the outside air, and reserved water is stored in the eject water channel for assisting flush the bottom of the toilet body next time. The eject water channel of the toilet body contacts outside air only at the water seal out of the eject hole when the toilet is at non-working states.Type: GrantFiled: May 22, 2013Date of Patent: March 28, 2017Assignee: XIAMEN AXENT CORPORATION LIMITEDInventor: Feiyu Li
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Patent number: 9580895Abstract: A draining and flushing mechanism comprises a tank body, a first piston, a fixation rod to assemble the first piston, a main energy-storage spring and a drainage valve; the first piston is assembled inside the tank body and divided the tank body into a top tank and a bottom tank; the bottom tank is a water storage room spaced by the first piston and the tank body at the lower portion of the tank body; the main energy-storage spring is attached to the first piston to push the first piston to the bottom tank; an inlet pipe is connected to the bottom tank; wherein the bottom surface of the bottom tank is disposed with an assembly hole, the drainage valve is connected to the assembly hole and assembled to the outer side of the bottom tank, the drainage valve is disposed with at least a drainage hole.Type: GrantFiled: April 28, 2013Date of Patent: February 28, 2017Assignee: XIAMEN AXENT CORPORATION LIMITEDInventor: Feiyu Li
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Patent number: 9556601Abstract: A base connection device used to change a flapper drain valve to a barrel drain valve includes a flapper base and a first overflow pipe disposed in the external side of the flapper base; further includes a connection base and a second overflow pipe, the bottom of the connection base is sleeved on the flapper base in sealing way, and closing the bottom of the first overflow pipe, the top of the connection base is formed to a matching portion; the bottom of the second overflow pipe is connected to the outlet of the flapper base. To change a flapper drain valve to a barrel drain valve, the flapper base does not need to be disassembled. The barrel drain valve is inserted to the connection base to sleeve the connection base on the flapper base, with the second overflow pipe as an overflow pipe of the water tank.Type: GrantFiled: July 22, 2014Date of Patent: January 31, 2017Assignee: WDI (XIAMEN) TECHNOLOGY INC.Inventor: Feiyu Li
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Publication number: 20170007083Abstract: A hinged flip cover mechanism of toilet seat cover, includes a main body, a toilet seat cover, and a hinge module. The toilet seat cover is connected to the main body via the hinge module. The hinge module comprises a first hinge crank and a second hinge crank, the first end of the first hinge crank is slidably coupled to the rear portion of the toilet seat cover, the second end of the first hinge crank is rotatably connected to the main body; the first end of the second hinge crank is slidably coupled to the main body, the second end of the second hinge crank is rotatably connected to the rear portion of the toilet seat cover; the central portions of the first hinge crank and the second hinge crank are pivoted to each other.Type: ApplicationFiled: January 22, 2015Publication date: January 12, 2017Inventor: Feiyu LI
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Patent number: 9512603Abstract: A flushing mechanism includes a housing with an outfall made at the housing bottom surrounding an axis; a guide rod with axial restraint relative to the housing along the axis; a first piston that hermetically slips on the cylindrical inner surface and guide rod at the same time along the axis direction; a spring loading the first piston installed in the upper cavity surrounding the guide rod; the second piston that hermetically slips on the guide rod along the axis direction and locates between the first piston and the housing bottom; a spring loading the second piston installed surrounding the guide rod; control valve; lower part of the first piston is provided with ring protuberance. The large seal ring of seal assembly of the second piston is sealed over the small seal ring of seal assembly of the second piston.Type: GrantFiled: August 10, 2011Date of Patent: December 6, 2016Assignee: XIAMEN AXENT CORPORATION LIMITEDInventors: Feiyu Li, Jian Li, Laicong Hong
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Patent number: 9487938Abstract: An automatic protection device for an inlet valve or drain valve includes an inlet, an outlet, an on-off component, a control circuit, a control component, a water level inductor of the water tank and a water level inductor of the toilet. The water level inductor of the water tank and the water level inductor of the toilet are respectively connected to the control circuit, the control circuit drives the control component, the control component is connected to the on-off component to control the on-off component to open or close, thus connecting or disconnecting the inlet and the outlet. The automatic protection device will sound an alarm and automatically cut off the water supply when the drain valve fails to discharge, or when the toilet is plugged up and is unable to drain water.Type: GrantFiled: March 5, 2014Date of Patent: November 8, 2016Assignee: WDI (XIAMEN) TECHNOLOGY INC.Inventor: Feiyu Li
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Patent number: 9487942Abstract: A spray type siphon toilet with accelerating siphon includes a toilet body and a first water tank, the top of the urinal of the toilet body is disposed with a flushing hole, the bottom of the urinal of the toilet body is disposed with a spray hole, the toilet body further comprises a flushing waterway to the flushing hole and an spray waterway to the spray hole; the first water tank is disposed with a first drain valve, the inlet of the spray waterway is connected to the drain port of the first drain valve; wherein the spray waterway is connected to a water seal structure, air cannot enter the spray waterway after the first drain valve drains; the water seal surface is even with the water seal surface of the urinal of the toilet body.Type: GrantFiled: September 11, 2013Date of Patent: November 8, 2016Assignee: XIAMEN AXENT CORPORATION LIMITEDInventor: Feiyu Li
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Publication number: 20160265205Abstract: An inlet valve with a shortened lifting lever and a method of shortening the lifting lever, wherein the inlet valve includes a main body with a compression hole and a waterway, a sealing pad and a float, wherein further comprising a shortened lifting lever mechanism that is rotatably connected to the main body. The shortened lifting lever has at least two stages of levers connected in driving manner. The float is coupled to the first stage lever in a linking manner, thus forming a dynamic body to drive the shortened lifting lever to move; the sealing pad is assembled to the last stage lever. The sealing pad closes the compression hole of the main body of the inlet valve or opens the compression hole with the movement of the shortened lifting lever when the float moves up and down.Type: ApplicationFiled: March 27, 2015Publication date: September 15, 2016Inventor: Feiyu Li
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Patent number: 9422699Abstract: A toilet inlet valve and control method thereof, the inlet valve comprises a valve body, an inlet pipe, a water stop device with a water stop rubber gasket, a float bowl device, a raising rod device and an outlet pipe, wherein, the water stop device also comprises a water stop seat, a tray, a needle valve and a back pressure cavity; the water stop seat is located at the front end of the outlet pipe, and of which the opening is coupling with the end face of the water stop rubber gasket; the tray is connected to the water stop rubber gasket, and is located at the side of the water stop seat that is opposite to the water stop rubber gasket; the needle valve is fixed to the tray, and is located at the side of the water stop rubber gasket that is opposite to the tray.Type: GrantFiled: November 7, 2011Date of Patent: August 23, 2016Assignee: WDI (XIAMEN) TECHNOLOGY INC.Inventors: Feiyu Li, Dongsheng Yao, Yuzhi Liu
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Publication number: 20150345124Abstract: A spray type siphon toilet with accelerating siphon includes a toilet body and a first water tank, the top of the urinal of the toilet body is disposed with a flushing hole, the bottom of the urinal of the toilet body is disposed with a spray hole, the toilet body further comprises a flushing waterway to the flushing hole and an spray waterway to the spray hole; the first water tank is disposed with a first drain valve, the inlet of the spray waterway is connected to the drain port of the first drain valve; wherein the spray waterway is connected to a water seal structure, air cannot enter the spray waterway after the first drain valve drains; the water seal surface is even with the water seal surface of the urinal of the toilet body.Type: ApplicationFiled: September 11, 2013Publication date: December 3, 2015Inventor: Feiyu LI
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Publication number: 20150322659Abstract: The present invention provides a quick siphon toilet. The quick siphon toilet comprises a toilet body and a water tank, the toilet body is disposed with a spray waterway to wash the bottom portion of the toilet body and a flush waterway to wash the periphery wall of the toilet body, the bottom portion of the toilet body is disposed with a siphon washing-out pipe, the water tank is disposed with a drain valve, wherein the drain valve is disposed with a first drain outlet connected to the flush waterway and a second drain outlet connected to the spray waterway, the spray waterway is disconnected to the flush waterway. In a condition of same water volume, the present invention has longer siphon time and flushing time and better washing-out effect. And the present invention uses less water based on well flushing function, thus making it water-saving.Type: ApplicationFiled: September 11, 2013Publication date: November 12, 2015Inventor: Feiyu LI
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Publication number: 20150260319Abstract: A quick-seal connecting component includes a first sealing ring, an expansion pipe and pipe joint with front and rear running through; the joint is assembled to a pipe in sealing engagement by the first sealing ring and the expansion pipe. The expansion pipe is sleeved on the outer wall of the pipe type joint. The first sealing ring is sleeved on the outer wall of the expansion pipe. The pipe type joint of the connecting component is assembled to the toilet pipe by the first sealing ring, the expansion pipe and the second sealing ring.Type: ApplicationFiled: September 11, 2013Publication date: September 17, 2015Inventor: Feiyu LI
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Patent number: 9062443Abstract: The present invention discloses an inlet structure of water-storing keg float, comprises an inlet, an outlet pipe and a water-storing keg float with a storage tank, and the inlet is provided with a channel passing through the outlet pipe, and the channel is provided with a water-storing cavity and a guide hole, and the guide hole is communicated with the water-storing cavity and the outside wall of the outlet pipe. Because water-storing cavity is present, part of water from the inlet can be stored in the water-storing cavity because of gravity, and this part of water fully enters the storage tank of the keg float through the guide hole, and the keg float can be balanced effectively under different water pressure conditions, and the stability of the keg float is enhanced.Type: GrantFiled: November 7, 2011Date of Patent: June 23, 2015Inventors: Feiyu Li, Dongsheng Yao, Yuzhi Liu
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Publication number: 20150157179Abstract: A toilet cover and an implementation method thereof includes a toilet seat, a toilet top cover, a rotation mechanism and two supports, two supports are respectively disposed with an insert pin, each insert pin is disposed with a lock groove at the side wall of the top portion, the rotation mechanism is disposed with two radial insert holes for the insert pins to insert; wherein further comprising at least one switch component disposed at the external wall of the two supports, a lock element and an elastic element, both ends of the lock element are respectively disposed with a lock catch to lock to the lock groove of the insert pin or release the lock, the switch component drives the lock element to move so as to release the lock; the lock element is repositioned by the elastic element.Type: ApplicationFiled: May 26, 2014Publication date: June 11, 2015Inventor: Feiyu LI
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Publication number: 20150159357Abstract: A draining and flushing mechanism comprises a tank body, a first piston, a fixation rod to assemble the first piston, a main energy-storage spring and a drainage valve; the first piston is assembled inside the tank body and divided the tank body into a top tank and a bottom tank; the bottom tank is a water storage room spaced by the first piston and the tank body at the lower portion of the tank body; the main energy-storage spring is attached to the first piston to push the first piston to the bottom tank; an inlet pipe is connected to the bottom tank; wherein the bottom surface of the bottom tank is disposed with an assembly hole, the drainage valve is connected to the assembly hole and assembled to the outer side of the bottom tank, the drainage valve is disposed with at least a drainage hole.Type: ApplicationFiled: April 28, 2013Publication date: June 11, 2015Inventor: Feiyu LI