{
  "$type": "site.standard.document",
  "description": "An object is to reduce various losses occurring in a speed-reduction/differential gear apparatus for electric vehicles including a planetary-gear speed reducer and a differential device, thereby improving transmission efficiency of the driving force and increasing travel distance of the electric…",
  "path": "/patents/976968",
  "publishedAt": "2014-03-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K1/00",
    "NTN TOYO BEARING CO LTD [JP]"
  ],
  "textContent": "An object is to reduce various losses occurring in a speed-reduction/differential gear apparatus for electric vehicles including a planetary-gear speed reducer and a differential device, thereby improving transmission efficiency of the driving force and increasing travel distance of the electric vehicle per battery charge. A speed-reduction/differential gear apparatus for electric vehicles includes a planetary-gear speed reducer 12 and a differential device 13. A planetary gear mechanism in the speed reducer 12 includes a speed-reducer-side carrier 38 which has its inner diameter surface supported by a speed-reducer-side carrier support bearing 43. The invention provides proper mesh between in the pair of engaging teeth, leading to decrease in loss torque.",
  "title": "REDUCTION DIFFERENTIAL GEAR APPARATUS FOR ELECTRIC VEHICLE"
}