US 12,435,762 B2
Coupling device and torsional natural frequency adjustment method
Naoyuki Nagai, Tokyo (JP); and Nobuaki Satou, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara (JP)
Appl. No. 17/791,307
Filed by MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara (JP)
PCT Filed Jun. 17, 2020, PCT No. PCT/JP2020/023678
§ 371(c)(1), (2) Date Jul. 7, 2022,
PCT Pub. No. WO2021/171641, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 2020-030803 (JP), filed on Feb. 26, 2020.
Prior Publication US 2023/0021310 A1, Jan. 26, 2023
Int. Cl. F16D 3/76 (2006.01); F16F 15/126 (2006.01); F16F 15/32 (2006.01)
CPC F16D 3/76 (2013.01) [F16F 15/126 (2013.01); F16D 2300/22 (2013.01); F16F 15/322 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A coupling device for connecting a first shaft and a second shaft, comprising:
a primary inner ring member mounted on the first shaft;
a primary outer ring member disposed on an outer circumferential side of the primary inner ring member;
a primary elastic member for connecting the primary inner ring member and the primary outer ring member;
a secondary inner ring member mounted on the second shaft;
a secondary outer ring member disposed on an outer circumferential side of the secondary inner ring member;
a secondary elastic member for connecting the secondary inner ring member and the secondary outer ring member; and
a weight attaching plate interposed between the primary outer ring member and the secondary outer ring member, the weight attaching plate including a weight attaching portion capable of attaching and detaching an additional weight to and from the outer circumferential side of the primary outer ring member and the outer circumferential side of the secondary outer ring member, and being formed in a plate shape extending in a radial direction of the coupling device between the primary inner ring member and the secondary inner ring member.