Back to results
US 12,655,844 B2Granted
Pump
AssigneeLG Innotek Co., Ltd.
InventorMoon Jae Lee
Life of this patent
Estimating the term…
Abstract
A pump comprises: a housing; a stator disposed in the housing; an outer gear disposed in the stator, an inner gear disposed in the outer gear, a shaft disposed at the center of the inner gear; and a bearing coupled to one end of the shaft, wherein the shaft comprises a first region coupled to the inner gear and a second region coupled to the bearing, and the center of the first region and the center of the second region are different from each other.
Claims19
A pump comprising:
- a housing;
- a stator disposed inside the housing;
- an outer gear disposed inside the stator;
- an inner gear disposed inside the outer gear;
- a shaft disposed at the center of the inner gear;
- a support disposed on the outer gear;
- and
- a bearing coupled to one end of the shaft,
- wherein the shaft comprises a first region coupled to the inner gear and a second region coupled to the bearing,
- wherein the center of the first region and the center of the second region are different from each other, and
- wherein the support includes:
- a base disposed on one surface of the outer gear;
- a coupling portion protruding from one surface of the base and coupled to the outer surface of the outer gear;
- and
- a second protrusion protrudes from an other surface of the base and is arranged to surround an outer surface of the bearing.
12 more elements
A pump comprising:
- a housing;
- a stator disposed inside the housing;
- an outer gear disposed inside the stator;
- an inner gear disposed inside the outer gear;
- a can disposed within the stator and having a space formed on an inside where the outer gear and the inner gear are coupled;
- a shaft disposed at the center of the inner gear;
- and
- a bearing coupled to one end of the shaft,
- wherein the shaft comprises a first region coupled to the inner gear and a second region coupled to the bearing,
- wherein a center of the first region is a rotation center of the inner gear
- wherein a center of the second region is a rotation center of the outer gear,
- wherein the can includes a body portion inside which the outer gear is disposed, and a first protrusion protruding upward from an upper surface of the body portion, and
- wherein the bearing is disposed in a space within the first protrusion.
10 more elements
A pump comprising:
- a housing;
- a stator disposed inside the housing;
- an outer gear disposed inside the stator;
- an inner gear disposed inside the outer gear;
- a shaft disposed at the center of the inner gear;
- a support disposed on the outer gear;
- and
- a bearing coupled to one end of the shaft,
- wherein the shaft comprises a first region coupled to the inner gear and a second region coupled to the bearing,
- wherein a center of the first region is a rotation center of the inner gear,
- wherein a center of the second region is a rotation center of the outer gear, and
- wherein the support includes:
- a base disposed on one surface of the outer gear;
- a coupling portion protruding from one surface of the base and coupled to the outer surface of the outer gear;
- and
- a second protrusion protrudes from an other surface of the base and is arranged to surround an outer surface of the bearing.
13 more elements
Dependencies are inferred from the claim text.