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US 11,459,075 B2Granted
Drive for a boat with electric motor
AssigneeTorqeedo GmbH
InventorsJens Biebach, Frank Despineux, Philip Flores
Life of this patent
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Abstract
A drive for a boat includes a housing that is arranged underwater during operation, and that houses an electric motor that drives a propeller. The housing includes a cooling section that includes a coolant duct.
Claims14
A drive for a boat, comprising:
- a housing configured to be underwater during operation of the drive, the housing having a cooling section with a coolant duct;
- and
- an electric motor accommodated in the housing for driving a propeller,
- wherein the coolant duct communicates with water in the vicinity of the housing via a coolant outlet through the housing, and
- wherein the housing has, in the region of the coolant outlet, a contour providing a negative pressure, such that during movement of the housing through water, a negative pressure is generated in the region of the coolant outlet.
2 more elements
A method for cooling a drive of a boat, the method comprising:
- providing a housing for the drive that has a coolant duct, wherein the coolant duct communicates with water in the vicinity of the housing via a coolant outlet through the housing;
- arranging the housing underwater;
- and
- operating the drive so as to cause water to flow through the coolant duct due to movement of the housing through the water, wherein the housing has, in the region of the coolant outlet, a contour providing a negative pressure, such that during movement of the housing through water, a negative pressure is generated in the region of the coolant outlet.
1 more element
Dependencies are inferred from the claim text.