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US 12,527,908 B2Granted
Pump
AssigneeIpv
InventorsDo Kyung Lee, Joon Sung Jeon
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a pump including: a housing having a shaft hole part; a shaft part extending to an outside of the housing through the shaft hole part; a power generation part arranged inside the housing and transmitting power to the shaft part; and a fluid provided in an inner space of the housing. A certain distance is formed between an inner circumferential surface of the shaft hole part and an outer circumferential surface of the shaft part, and a discharge passage is formed such that the inner space of the housing communicates with an outer space thereof.
Claims8
A pump comprising:
- a housing having a shaft hole part;
- a shaft part extending to an outside of the housing through the shaft hole part;
- a power generation part arranged inside the housing and transmitting power to the shaft part;
- and
- a fluid provided in an inner space of the housing,
- wherein a certain distance is formed between an inner circumferential surface of the shaft hole part and an outer circumferential surface of the shaft part, and a discharge passage is formed between the inner circumferential surface of the shaft hole part and the outer circumferential surface of the shaft part such that the inner space of the housing communicates with an outer space thereof, and
- wherein a width of the discharge passage is set to increase or decrease along a circumference with respect to a longitudinal central axis of the shaft part.
4 more elements
Dependencies are inferred from the claim text.