# US 12,109,880 B2 · Gear multiplying apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,109,880 B2 - Document ID: US12109880B2 - Status: Granted - Kind: B2 - Application number: 17/776,285 - Filed: 2020-11-12 - Published: 2022-12-22 - Granted: 2024-10-08 - Earliest claimed: 2019-11-13 - Applicants: Xiao Dong Zhu; Yixin Liu - Inventors: Xiao Dong Zhu; Yixin Liu - Web page: https://patentgrep.com/patent/US12109880B2 ## CPC - B60K 1/00: Arrangement or mounting of electrical propulsion units (B60K7/00 takes precedence; arrangement or mounting of plural diverse prime-movers for mutual or common propulsion B60K6/00) - B60K 17/02: characterised by arrangement, location, or kind of clutch - B60K 17/08: of mechanical type - F16H 63/304: {the final output mechanisms comprising elements moved by electrical or magnetic force (band brake actuating mechanisms F16H63/3003)} - F16H 3/093: with two or more countershafts - F16H 2037/045: {comprising a separate gearing unit for shifting between high and low ratio range} - F16H 2063/3066: {using worm gears} - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - F16H: GEARING ## Abstract A gearbox apparatus includes a number of gears selectable by a user to drive a drive shaft, the number being greater than the number of gears physically connected to the drive shaft of the gearbox. The apparatus can be controlled remotely by a wireless signal emitting or receiving device, which includes a smart phone, desktop computer, a signal tower, and the like. ## Claims ### Claim 1 A remote-controlled apparatus for multiplying gears, the apparatus comprising: an input shaft; a responding shaft; a drive shaft, the shafts being selectively rotatable about respective shaft axes; first and second input gear wheels connected to the input shaft for axial rotation therewith; a first controlling gear set having two or more first controlling gear wheels mounted on the responding shaft for axial rotation therewith, one of the two or more first controlling gear wheels being selectively connected to one of the first and second input gear wheels so as to axially rotate the responding shaft; and a second controlling gear set having two or more second controlling gear wheels mounted on the drive shaft for axial rotation therewith, the two or more second controlling gear wheels each being connected to the two or more first controlling gear wheels so as to axially rotate the drive shaft; wherein the total number of available gear speeds is equal to the number of the controlling gear wheels of the first controlling gear set multiplied by the number of the controlling gear wheels of the second controlling gear set. ### Claim 2 (depends on 1) The apparatus, according to claim 1, in which each of the first and second input gear wheels has an input gear wheel diameter, and each of the two or more first controlling gear wheels has a controlling gear wheel diameter, the size of the input gear wheel diameter compared to the size of the first controlling gear wheel diameter determines the speed of axial rotation of the responding shaft. ### Claim 3 (depends on 2) The apparatus, according to claim 2, in which the input gear wheel diameter is larger, identical, or smaller compared to the first controlling gear wheel diameter. ### Claim 4 (depends on 2) The apparatus, according to claim 2, in which (i) the size of the first input gear wheel diameter is greater than the size of the first controlling gear wheel diameter of a corresponding first one of the first controlling gear wheels such that the first one of the first controlling gear wheels rotates faster than the first input gear wheel; (ii) the size of the first input gear wheel diameter is equal to the size of the first controlling gear wheel diameter of the first one of the first controlling gear wheels such that the first one of the first controlling gear wheels rotates at the same speed as the first input gear wheel; and (iii) the size of the first input gear wheel diameter is smaller than the size of the first controlling gear wheel diameter of the first one of the first controlling gear wheels such that the first one of the first controlling gear wheels rotates slower than the first input gear wheel. ### Claim 5 (depends on 2) The apparatus, according to claim 2, in which (i) the size of the second input gear wheel diameter is greater than the size of the first controlling gear wheel diameter of a corresponding second one of the first controlling gear wheels such that the second one of the first controlling gear wheels rotates faster than the second input gear wheel; (ii) the size of the second input gear wheel diameter is equal to the size of the first controlling gear set wheel diameter of the second one of the first controlling gear wheels such that the second one of the first controlling gear wheels rotates at the same speed as the second input gear wheel; and (iii) the size of the second input gear wheel diameter is less than the size of the first controlling gear set wheel diameter of the second one of the first controlling gear wheels such that the second one of the first controlling gear wheels rotates slower than the second input gear wheel. ### Claim 6 (depends on 1) The apparatus, according to claim 1, further includes: a first actuator; a first shift arm; and a first dog tooth gear, the first shift arm being actuated to (i) selectively and separately engage or (ii) selectively disengage the first controlling gear wheels of the first controlling gear set with the responding shaft. ### Claim 7 (depends on 6) The apparatus, according to claim 6, in which (i) the first shift arm moves the first dog tooth gear to engage a first one of the first controlling gear wheels with the responding shaft; (ii) the first shift arm moves the first dog tooth gear to engage a second one of the first controlling gear wheels of the first controlling wheel gear set with the responding shaft; and (iii) the first shift arm moves the first dog tooth gear to selectively disengage both of the first controlling gear wheels from the responding shaft, the responding shaft freely rotating when both of the first controlling gear wheels are disengaged from the responding shaft. ### Claim 8 (depends on 6) The apparatus, according to claim 6, in which, when one of the first controlling gear wheels of the first controlling wheel gear set are connected to the responding shaft, the responding shaft axially rotates at the speed at which that first controlling gear wheel rotates; the responding shaft freely rotates when the first controlling gear wheels of the first controlling gear set are disengaged therefrom. ### Claim 9 (depends on 6) The apparatus, according to claim 6, in which the first actuator is a first motor. ### Claim 10 (depends on 9) The apparatus, according to claim 9, in which the first motor is a servo motor. ### Claim 11 (depends on 6) The apparatus, according to claim 6, further including: a second actuator; a second shift arm; and a second dog tooth gear; the second shift arm being actuated to (i) selectively and separately engage or (ii) selectively disengage a first one and a second one of the second controlling gear wheels of the second controlling gear set with the drive shaft. ### Claim 12 (depends on 11) The apparatus, according to claim 11, in which (i) the second shift arm moves the second dog tooth gear to engage the first one of the second controlling gear wheels with the drive shaft; and (ii) the second shift arm moves the second dog tooth gear to engage the second one of the second controlling gear wheels with the drive shaft; and (iii) the second shift arm moves the second dog tooth gear to selectively disengage both the first one and the second one of the second controlling gear wheels from the drive shaft, the drive shaft freely rotating when the first one and the second one of the second controlling gear wheels are disengaged from the drive shaft. ### Claim 13 (depends on 11) The apparatus, according to claim 11, in which, when one of the second controlling gear wheels is connected to the drive shaft, the drive shaft axially rotates at the speed at which that said one of the second controlling gear wheels rotates. ### Claim 14 (depends on 11) The apparatus, according to claim 11, in which the drive shaft freely rotates when the second controlling gear wheels are disengaged therefrom. ### Claim 15 (depends on 11) The apparatus, according to claim 11, in which the second actuator is a second motor. ### Claim 16 (depends on 15) The apparatus, according to claim 15, in which the second motor is a servo motor. ### Claim 17 (depends on 11) The apparatus, according to claim 11, further includes: a third controlling gear set having two or more third controlling gear wheels mounted on a fourth shaft for axial rotation therewith, the third controlling gear wheels are connected to the second controlling gear wheels to axially rotate the fourth shaft. ### Claim 18 (depends on 17) The apparatus, according to claim 17, further including: a third actuator; a third shift arm; a third dog tooth gear; the third shift arm being actuated to (i) selectively and separately engage or (ii) selectively disengage a third one and a fourth one of the second controlling gear wheels of the second controlling gear set with the drive shaft. ### Claim 19 (depends on 18) The apparatus, according to claim 18, in which (i) the third shift arm moves the third dog tooth gear to engage the third one of the second controlling gear wheels of the second controlling gear set with the drive shaft; (ii) the third shift arm moves the third dog tooth gear to engage the fourth one of the second controlling gear wheels of the second controlling gear set with the drive shaft; and (iii) the third shift arm moves the third dog tooth gear to selectively disengage both the third and fourth second controlling gear wheels of the second controlling gear set from the drive shaft. ### Claim 20 (depends on 18) The apparatus, according to claim 18, in which, when the third one or the fourth one of the second controlling gear wheels are engaged to the drive shaft, the drive shaft axially rotates at the speed that third one or fourth one of the second controlling gear wheels rotates. ### Claim 21 (depends on 18) The apparatus, according to claim 18, in which the drive shaft freely rotates when the first one, the second one, the third one, and the fourth one of the second controlling gear wheels are disengaged therefrom. ### Claim 22 (depends on 18) The apparatus, according to claim 18, in which the third actuator is a third motor. ### Claim 23 (depends on 22) The apparatus, according to claim 22, in which the third motor is a servo motor. ### Claim 24 (depends on 11) The apparatus, according to claim 11, in which two or more responding gear wheels are mounted on the responding shaft, the responding gear wheels being rotatable when the responding shaft rotates. ### Claim 25 (depends on 18) The apparatus, according to claim 18, in which four responding gear wheels are mounted on the responding shaft, the responding gear wheels being rotatable when the responding shaft rotates. ### Claim 26 (depends on 1) The apparatus, according to claim 1, wherein the first and second input gear wheels are spaced apart on the input shaft and wherein the two or more first controlling gear wheels are mounted on the responding shaft for axial rotation. ### Claim 27 (depends on 1) The apparatus, according to claim 1, further comprising four responding gear wheels mounted on the responding shaft for axial rotation. ### Claim 28 (depends on 17) The apparatus, according to claim 17, wherein the first controlling gear wheels of the first controlling gear set, the second controlling gear wheels of the second controlling gear set, and the third controlling gear wheels of the third controlling gear set collectively define eight controlling gear wheels mounted on the responding shaft, the drive shaft, and the fourth shaft respectively for axial rotation. ### Claim 29 (depends on 1) The apparatus, according to claim 1, in which the gear wheels are toothed gear wheels. ### Claim 30 (depends on 29) The apparatus, according to claim 29, in which the toothed gear wheels are sized and shaped to meshingly engage each other. ### Claim 31 (depends on 18) The apparatus, according to claim 18 in which a remote controller is connected to the first, second and third actuators. ### Claim 32 (depends on 31) The apparatus, according claim 31, in which the remote controller is in wireless communication with the first, second and third actuators. ### Claim 33 (depends on 31) The apparatus, according to claim 31, in which the remote controller is a wireless signal emitting or receiving electronic device. ### Claim 34 (depends on 1) The apparatus, according to claim 1, in which a first motor is connected to the input shaft. ### Claim 35 (depends on 1) The apparatus, according to claim 1, in which the total number of available gears is eight. ### Claim 36 (depends on 1) The apparatus, according to claim 1, in which the total number of available gears is sixteen. ### Claim 37 (depends on 1) The apparatus, according to claim 1, further including a plurality of momentum generating sources. ### Claim 38 (depends on 37) The apparatus, according to claim 37, in which the momentum generating sources includes electric motors, internal combustion engines, or pneumatic engines. ### Claim 39 A remote-controlled gear selection and multiplication network for a vehicle, the network comprising: a remote controller; an input shaft; a responding shaft; and a drive shaft, each in communication with each other for rotatable movement about their respective axes; a set of input gear wheels; first, second and third sets of controlling gear wheels, the set of input gear wheels, the sets of controlling gear wheels, and the shafts being interconnected such that: in response to a first signal received from the remote controller, one of the gear wheels of the set of the input gear wheels connects to one of the controlling gear wheels of the first set of controlling gear wheels to selectively connect to the responding shaft and one of the controlling gear wheels of the first set of controlling gear wheels connects to one of the controlling gear wheels of the second set of controlling gear wheels thereby axially rotating the drive shaft; wherein the total number of available gear speeds is equal to the number of the controlling gear wheels of the first controlling gear set multiplied by the number of the controlling gear wheels of the second controlling gear set.