Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ROTARY DAMPER AND VALVE, AND METHOD FOR PREVENTING REDUCTION IN TORQUE OF ROTARY DAMPER CAUSED BY WEAR OF VALVE
To prevent a reduction in the torque of a rotary damper due to wear on a valve. According to the present invention, provided is a rotary damper including: an oil chamber (4); a rotor (2); a first surface (4a) occluding an end of the oil chamber (4); a second surface (4b) occluding another end of the oil chamber (4); and a valve (3) including: a first end surface (3a) facing the first surface (4a); a second end surface (3b) facing the second surface (4b); a back surface (3c) facing a curved surface (4c) of the oil chamber (4); a valve part (3d) to shut an oil path (5) formed between the rotor (2) and the valve (3) to prevent oil injected in the oil chamber (4) from flowing back through the oil path (5); and an uneven part (3k, 31) on the back surface (3c), the uneven part (3k, 31) including a recess (3k) and a projection (31), the recess (3k) forming a gap (6) between the curved surface (4c) and the uneven part (3k, 31), in which the gap (6) has a cross section to reduce due to wear on the projection (31), and a function of the valve part (3d) is protected against the wear on the projection (31).
ROTARY DAMPER AND VALVE, AND METHOD FOR PREVENTING REDUCTION IN TORQUE OF ROTARY DAMPER CAUSED BY WEAR OF VALVE
To prevent a reduction in the torque of a rotary damper due to wear on a valve. According to the present invention, provided is a rotary damper including: an oil chamber (4); a rotor (2); a first surface (4a) occluding an end of the oil chamber (4); a second surface (4b) occluding another end of the oil chamber (4); and a valve (3) including: a first end surface (3a) facing the first surface (4a); a second end surface (3b) facing the second surface (4b); a back surface (3c) facing a curved surface (4c) of the oil chamber (4); a valve part (3d) to shut an oil path (5) formed between the rotor (2) and the valve (3) to prevent oil injected in the oil chamber (4) from flowing back through the oil path (5); and an uneven part (3k, 31) on the back surface (3c), the uneven part (3k, 31) including a recess (3k) and a projection (31), the recess (3k) forming a gap (6) between the curved surface (4c) and the uneven part (3k, 31), in which the gap (6) has a cross section to reduce due to wear on the projection (31), and a function of the valve part (3d) is protected against the wear on the projection (31).
ROTARY DAMPER AND VALVE, AND METHOD FOR PREVENTING REDUCTION IN TORQUE OF ROTARY DAMPER CAUSED BY WEAR OF VALVE
DREHDÄMPFER UND VENTIL SOWIE VERFAHREN ZUR VERHINDERUNG DER DURCH VENTILVERSCHLEISS VERURSACHTEN DREHMOMENTREDUZIERUNG DES DREHDÄMPFERS
AMORTISSEUR ROTATIF ET SOUPAPE, ET PROCÉDÉ DE PRÉVENTION DE LA RÉDUCTION DU COUPLE D'UN AMORTISSEUR ROTATIF CAUSÉE PAR L'USURE D'UNE SOUPAPE
OZAKI KEIGO (Autor:in) / YAMADA DAISUKE (Autor:in)
19.02.2025
Patent
Elektronische Ressource
Englisch
| Europäisches Patentamt | 2023
ROTARY DAMPER, VALVE, AND METHOD FOR PREVENTING REDUCTION OF TORQUE OF ROTARY DAMPER FROM
| Europäisches Patentamt | 2024