Planetary gear apparatus
AssigneeHyundai Transys Inc.
InventorTae Hoon Kim
Life of this patent
Estimating the term…
Abstract
A planetary gear apparatus includes single pinion gears, double pinion gears comprising first double pinion gears and second double pinion gears, a planet carrier unit surrounding the single pinion gears, the first double pinion gears, and the second double pinion gears, first pinion shafts coupled to the planet carrier unit, the single pinion gears being rotatably mounted on the first pinion shafts, and one of the first double pinion gears and the second double pinion gears being rotatably mounted on the first pinion shafts, and second pinion shafts coupled to the planet carrier unit, wherein the other of the first double pinion gears and the second double pinion gears are mounted on the second pinion shafts.
Claims12
A planetary gear apparatus comprising:
- single pinion gears;
- double pinion gears comprising first double pinion gears and second double pinion gears;
- a planet carrier unit surrounding the single pinion gears, the first double pinion gears, and the second double pinion gears;
- first pinion shafts coupled to the planet carrier unit, the single pinion gears being rotatably mounted on the first pinion shafts, and one of the first double pinion gears and the second double pinion gears being rotatably mounted on the first pinion shafts;
- and
- second pinion shafts coupled to the planet carrier unit, wherein the other of the first double pinion gears and the second double pinion gears are mounted on the second pinion shafts,
- wherein the planet carrier unit comprises:
- a first carrier surrounding the single pinion gears;
- a second carrier surrounding the first double pinion gears and the second double pinion gears;
- and
- a third carrier disposed to face the second carrier, wherein the second carrier is disposed between the first carrier and the third carrier.
A planetary gear apparatus comprising:
- single pinion gears;
- double pinion gears comprising first double pinion gears and second double pinion gears;
- a planet carrier unit surrounding the single pinion gears, the first double pinion gears, and the second double pinion gears;
- first pinion shafts coupled to the planet carrier unit, the single pinion gears being rotatably mounted on the first pinion shafts, and one of the first double pinion gears and the second double pinion gears being rotatably mounted on the first pinion shafts;
- and
- second pinion shafts coupled to the planet carrier unit, wherein the other of the first double pinion gears and the second double pinion gears are mounted on the second pinion shafts,
- wherein the planet carrier unit comprises:
- a first carrier surrounding the single pinion gears and including first shaft hole portions into which the first pinion shafts are inserted;
- a second carrier surrounding the first double pinion gears and the second double pinion gears and comprising second shaft hole portions into which the first pinion shafts are inserted and third shaft hole portions into which the second pinion shafts are inserted;
- and
- a third carrier disposed to face the second carrier and comprising fourth shaft hole portions into which the first pinion shafts are inserted and fifth shaft hole portions into which the second pinion shafts are inserted.
Dependencies are inferred from the claim text.