公开(公告)号：US20140239760A1

公开(公告)日：2014-08-28

申请号：US14193282

申请日：2014-02-28

Applicant: MINEBEA CO., LTD.

Inventor： Yusuke ASAI ,  Motoharu AKIYAMA ,  Haruka MIYAJI

IPC: H02K7/116

CPC classification number: H02K7/116 ,  F16C33/6633 ,  F16C2361/61 ,  F16H57/0464 ,  F16H57/0495 ,  H02K37/00

Abstract: An actuator includes a stepping motor; a multi-stage gear device including a first stage gear attached to a rotation shaft of the motor, wherein a gear of each stage engages with a gear of a next stage; and a base member on which the multi-stage gear device and the stepping motor are mounted, wherein in the multi-stage gear device, a grease composition for resin is applied to a bearing part of the gear, and to an engaging part between the gears, and the grease composition for resin includes: (a) a base oil including a poly-alpha-olefin oil with a kinematic viscosity at 100° C. of 4 to 6 mm2/s; (b) a thickening agent which is lithium soap; (c) a viscosity increasing agent; (d) a solid lubricant; and (e) an anti-wear agent, and wherein the NLGI consistency number of the composition is 00, 0, 1, or 2.

Abstract translation: 致动器包括步进马达; 多级齿轮装置，包括附接到电动机的旋转轴的第一级齿轮，其中每级的齿轮与下一级的齿轮接合; 以及安装有多级齿轮装置和步进电动机的基座部件，其中，在多级齿轮装置中，将用于树脂的润滑脂组合物施加到齿轮的轴承部分上， 齿轮和用于树脂的润滑脂组合物包括：（a）包含在100℃下的运动粘度为4至6mm 2 / s的聚α-烯烃油的基础油; （b）作为锂皂的增稠剂; （c）增粘剂; （d）固体润滑剂; 和（e）抗磨剂，其中所述组合物的NLGI稠度数为00,0,1或2。

公开(公告)号：US20170130157A1

公开(公告)日：2017-05-11

申请号：US15347490

申请日：2016-11-09

Applicant: MINEBEA CO., LTD.

Inventor： Yusuke ASAI ,  Yusuke ENOMOTO ,  Shintaro TAKATA

IPC: C10M115/08 ,  C10M169/06 ,  C10M145/16 ,  C10M129/42 ,  C10M105/32 ,  C10M145/14

CPC classification number: C10M169/06 ,  C10M2205/026 ,  C10M2205/0285 ,  C10M2207/123 ,  C10M2207/125 ,  C10M2207/127 ,  C10M2207/2855 ,  C10M2209/084 ,  C10M2209/086 ,  C10M2215/1026 ,  C10N2210/01 ,  C10N2210/02 ,  C10N2220/082 ,  C10N2230/08 ,  C10N2230/66 ,  C10N2230/76 ,  C10N2240/02 ,  C10N2250/10

Abstract: A grease composition according to an embodiment includes a base oil, a thickener and 0.5% by weight or more of a dispersing agent, the dispersing agent including at least one of a carboxylic acid metal salt, a metal salt of a polycarboxylic acid and a copolymer of a carboxylic acid metal salt and a hydrocarbon compound.