# US 11,993,346 B2 · Battery unit and bicycle frame > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,993,346 B2 - Document ID: US11993346B2 - Status: Granted - Kind: B2 - Application number: 17/410,464 - Filed: 2021-08-24 - Published: 2022-03-03 - Granted: 2024-05-28 - Earliest claimed: 2020-08-27 - Assignees: Canyon Bicycles GmbH - Applicants: Canyon Bicycles GmbH - Inventors: Philipp Klein; Christian Parmenter; Vincenz Thoma; Patrick Schmidt - Web page: https://patentgrep.com/patent/US11993346B2 ## CPC - B62M 6/90: Batteries - B62J 43/13: on rider-propelled cycles with additional electric propulsion - B62J 43/28: hidden within the cycle frame - B62K 19/40: for attaching accessories, e.g. article carriers, lamps - B62M 6/40: Rider propelled cycles with auxiliary electric motor - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB] - H02J 7/70: characterised by the mechanical construction - H01M 2010/4271: {Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing} - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - B62M: RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR {SINGLE-TRACK} CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES (arrangements or mounting of transmissions in vehicles in general B60K; transmission elements per se F16) - B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS - B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery unit for a bicycle having an electric motor, including a battery case having an upper side, a lower side and two sidewall several energy cells arranged in the battery case, and a battery management system electrically connected to the energy cells, where the battery management system is arranged on one of the two sides. ## Claims ### Claim 1 A battery unit for a bicycle having an electric motor comprising: a battery case having an upper side, a lower side and two sidewalls, where the battery case is designed to receive a plurality of energy cells such that the plurality of energy cells may be arranged in the battery case; and a battery management system electrically connected to the energy cells, wherein the battery management system is arranged on one of the two sidewalls, wherein a plug contact is part of the battery management system such that the plug contact is oriented to face towards a side of a down tube of a bicycle frame such that a plug can be inserted into the plug contact in a direction that is perpendicular to the side of the down tube, and wherein the plug contact is arranged laterally for electrical connection to the electric motor. ### Claim 2 (depends on 1) The battery unit according to claim 1, wherein the battery management system is arranged in the battery case. ### Claim 3 (depends on 1) The battery unit according to claim 1, wherein the battery management system is arranged at one of the two sidewalls in a direction of insertion. ### Claim 4 (depends on 1) The battery unit according to claim 1, wherein the battery case tapers in a direction of insertion. ### Claim 5 (depends on 1) The battery unit according to claim 1, wherein the battery case has a smaller width at a front side than at a rear side. ### Claim 6 A bicycle frame comprising: a motor housing for an electric motor: a down tube connected to the motor housing: and an insertion opening provided in the down tube in the area of the motor housing for inserting a battery into the down tube, wherein the down tube is asymmetrical with respect to a frame center plane, and wherein the asymmetrical portion of the down tube contains a battery management system located therein and the battery management system is connected to the battery. ### Claim 7 (depends on 6) The bicycle frame according to claim 6, wherein the down tube tapers from the motor housing. ### Claim 8 (depends on 7) The bicycle frame according to claim 7, wherein the down tube tapers less on a chain ring side, with respect to the frame center plane than on a side facing away from the chain ring. ### Claim 9 (depends on 6) The bicycle frame according to claim 6, wherein the down tube is parallel to the frame center plane on a chain ring side. ### Claim 10 (depends on 6) The bicycle frame according to claim 6, wherein the side of the down tube facing away from a chain ring has a decreasing distance towards the frame center plane, starting from the motor housing. ### Claim 11 (depends on 6) The bicycle frame according to claim 6, wherein the motor housing is asymmetrical with respect to the frame center plane. ### Claim 12 (depends on 10) The bicycle frame according to claim 10, wherein the motor housing is asymmetrical to the same side as the down tube. ### Claim 13 (depends on 6) The bicycle frame according to claim 6, wherein the down tube in side view has a height of less than 80 mm in side view. ### Claim 14 (depends on 13) The battery unit according to claim 13, wherein the battery management system is arranged on a side facing away from a chain ring. ### Claim 15 (depends on 1) The battery unit according to claim 1, wherein a plug contact is arranged laterally for electrical connection to the electric motor as part of the battery management system. ### Claim 16 (depends on 1) The battery unit according to claim 1, wherein the battery case tapers in a direction of insertion and comprises a step. ### Claim 17 (depends on 6) The bicycle frame according to claim 6, wherein the down tube in side view has a height less than 75 mm. ### Claim 18 A bicycle frame comprising: a motor housing for an electric motor; a battery unit for the electric motor, the battery unit comprising: a battery case having an upper side, a lower side and two sidewalls, where the battery case is designed to receive a plurality of energy cells such that the plurality of energy cells may be arranged in the battery case; and a battery management system electrically connected to the energy cells, wherein the battery management system is arranged on one of the two sidewalls; a down tube connected to the motor housing; and an insertion opening provided in the down tube in the area of the motor housing for inserting a battery into the down tube, wherein the down tube is asymmetrical with respect to a frame center plane, and wherein the asymmetrical portion of the down tube contains a battery management system located therein and the battery management system is connected to the battery.