Oil Pump for Vehicle
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorDongHoon Kang
Life of this patent
Estimating the term…
Abstract
A hydraulic pump for a vehicle includes a pump housing, an inlet port formed to the pump housing, a chain cover combined with the pump housing and forming an outlet port with the pump housing, and a rotor provided between the pump housing and the chain cover and having a predetermined thickness, the rotor including an inner gear and an outer gear. The outlet port includes a center port having the same thickness as the rotor, a housing port formed to the pump housing and having a first depth and a cover port formed to the chain cover and having a second depth, and a sum of the first depth and the second depth is 50% to 60% of the thickness of the rotor.
Claims20
A hydraulic pump for a vehicle comprising:
- a pump housing;
- an inlet port formed to the pump housing;
- a chain cover combined with the pump housing and forming an outlet port with the pump housing;
- and
- a rotor provided between the pump housing and the chain cover and having a predetermined thickness, the rotor comprising an inner gear and an outer gear;
- wherein the outlet port includes a center port having the same thickness as the rotor, a housing port formed to the pump housing and having a first depth and a cover port formed to the chain cover and having a second depth;
- and
- wherein a sum of the first depth and the second depth is 50% to 60% of the thickness of the rotor.
A hydraulic pump for a vehicle comprising:
- a pump housing;
- an inlet port formed to the pump housing;
- a chain cover combined with the pump housing and forming an outlet port with the pump housing;
- and
- a rotor provided between the pump housing and the chain cover and having a predetermined thickness, the rotor comprising an inner gear and an outer gear;
- wherein a notch is configured to communicate with the outlet port and is formed in the pump housing;
- and
- wherein a slope is formed between an end of the notch and the outlet port.
A vehicle comprising:
- a vehicle body;
- a pump housing for a hydraulic pump mounted in the vehicle body;
- an inlet port formed to the pump housing;
- a chain cover combined with the pump housing and forming an outlet port with the pump housing;
- and
- a rotor having a thickness and provided between the pump housing and the chain cover, the rotor comprising an inner gear and an outer gear;
- wherein the outlet port includes a center port having the same thickness as the rotor, a housing port formed to the pump housing and having a first depth, and a cover port formed to the chain cover and having a second depth;
- and
- wherein a sum of the first depth and the second depth is 50% to 60% of the thickness of the rotor and a ratio of the first depth and the second depth is 2:1 to 3:1;
- wherein a notch configured to communicate with the outlet port is formed in the pump housing;
- and
- wherein a slope is formed between an end of the notch and the outlet port.
Dependencies are inferred from the claim text.