# US 9,869,366 B2 · Apparatus for reducing vibration for vehicles > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,869,366 B2 - Document ID: US9869366B2 - Status: Granted - Kind: B2 - Application number: 14/949,722 - Filed: 2015-11-23 - Published: 2017-03-02 - Granted: 2018-01-16 - Earliest claimed: 2015-08-24 - Assignees: Hyundai Motor Company - Applicants: Hyundai Motor Company - Inventors: Wan Soo Oh; Jang Won Lee; Jae Woong Hwang - Web page: https://patentgrep.com/patent/US9869366B2 ## CPC - F16F 15/145: {Masses mounted with play with respect to driving means thus enabling free movement over a limited range} - F16H 45/02: with mechanical clutches for bridging a fluid gearing of the hydrokinetic type (control of torque converter lock-up clutches F16H61/14) - F16H 2045/0263: {the damper comprising a pendulum} - F16H 2045/0294: {Single disk type lock-up clutch, i.e. using a single disc engaged between friction members} - F16F: SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION - F16H: GEARING ## Abstract An apparatus for reducing vibration for vehicles may include discs rotated in connection with an engine rotating shaft, a plurality of masses provided at the circumferential parts of the discs, and a plurality of connection elements provided between the masses, a first end of each of the connection elements being hinged to the disc and both sides of a second end of each of the connection elements being connected to different adjacent masses. ## Claims ### Claim 1 An apparatus for reducing vibration for a vehicle, comprising: discs rotated in connection with an engine rotating shaft; a plurality of masses provided at circumferential parts of the discs; and a plurality of connection elements provided between the masses, a first end of a respective one of the connection elements being hinged to the discs and both sides of a second end of the respective one of the connection elements being connected to different adjacent masses, wherein the connection elements are provided in a plurality of pairs to be connected to a first surface and a second surface of each of the masses; and wherein the discs are provided in a single pair such that the masses are located between the single pair of the discs. ### Claim 2 (depends on 1) The apparatus for reducing the vibration for the vehicle according to claim 1, wherein a plurality of first connection pins is provided to connect the first end of the respective one of the connection elements to the discs. ### Claim 3 (depends on 2) The apparatus for reducing the vibration for the vehicle according to claim 2, wherein a washer is provided between the discs and the first end of the respective one of the connection elements; and each of the first connection pins passes through the discs, the washer, and the respective one of the connecting elements to connect the discs, the washer, and the respective one of the connecting elements. ### Claim 4 (depends on 2) The apparatus for reducing the vibration for the vehicle according to claim 2, wherein an oil groove is formed on the first connection pins. ### Claim 5 (depends on 2) The apparatus for reducing the vibration for the vehicle according to claim 2, wherein a hole formed at the first end of the respective one of the connection elements such that the plurality of first connection pins pass through the hole formed at the first end of the respective one of the connection elements is formed in a circular shape having openings formed along a circumference thereof. ### Claim 6 (depends on 2) The apparatus for reducing the vibration for the vehicle according to claim 2, wherein connection parts are formed at both ends of the masses and a respective one of the connection parts to be inserted between a respective pair of connection elements; and both sides of second ends of each of the respective pair of connection elements are combined with the respective one of the connection parts of two adjacent masses of the plurality of masses. ### Claim 7 (depends on 6) The apparatus for reducing the vibration for the vehicle according to claim 6, wherein a plurality of second connection pins is provided to connect the connection parts of the masses and the second ends of the connection elements to each other. ### Claim 8 (depends on 7) The apparatus for reducing the vibration for the vehicle according to claim 7, wherein an oil groove is formed on the second connection pins. ### Claim 9 (depends on 7) The apparatus for reducing the vibration for the vehicle according to claim 7, wherein holes are formed at the second end of the respective one of the connection elements such that the second connection pins pass through the holes, and the holes are formed in a circular shape having openings formed along a circumference thereof. ### Claim 10 (depends on 1) The apparatus for reducing the vibration for the vehicle according to claim 1, wherein any one of the discs in the single pair is riveted to a clutch through a coupling pin. ### Claim 11 (depends on 1) The apparatus for reducing the vibration for the vehicle according to claim 1, wherein each of the plurality of connection elements has a triangular shape, and a distance from the first end of each connection element to a side of the second end of each connection element is equal to a distance from the first end of each connection element to a second side of the second end of each connection element.