Power tool
First Claim
Patent Images
1. A power tool having a cooling system, comprising:
- a motor housing having a main chamber,a tool motor accommodated within the main chamber,a handle for holding the power tool, the handle having a dedicated cooling passage separate from a remainder of the handle for the transfer of cooling fluid, an inlet leading to the cooling passage and an outlet leading away from the cooling passage, anda control device for controlling operation of the tool motor, which generates heat, disposed inside the handle, in thermal contact with the cooling passage between the inlet and the outlet,wherein the cooling passage comprises a cooling conduit of high heat transfer material and wherein a heat sink of the power tool component is directly attached to the cooling conduit.
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Abstract
A power tool having a cooling system, comprises: a motor housing 11 having a main chamber 14 accommodating a tool motor 12; a handle 15 for holding the power tool and having a cooling passage 16 for the transfer of cooling fluid, at least one inlet 18 leading to the cooling passage and at least one outlet 13 leading away from the cooling passage 18 , and a power tool component 21 which generates heat disposed in thermal contact with the cooling passage 16 between the inlet 18 and the outlet 13.
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Citations
17 Claims
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1. A power tool having a cooling system, comprising:
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a motor housing having a main chamber, a tool motor accommodated within the main chamber, a handle for holding the power tool, the handle having a dedicated cooling passage separate from a remainder of the handle for the transfer of cooling fluid, an inlet leading to the cooling passage and an outlet leading away from the cooling passage, and a control device for controlling operation of the tool motor, which generates heat, disposed inside the handle, in thermal contact with the cooling passage between the inlet and the outlet, wherein the cooling passage comprises a cooling conduit of high heat transfer material and wherein a heat sink of the power tool component is directly attached to the cooling conduit.
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2. A power tool having a cooling system, comprising:
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a motor housing having a main chamber, a tool motor accommodated within the main chamber, a handle for holding the power tool, the handle having a dedicated cooling passage separate from a remainder of the handle for the transfer of cooling fluid, an inlet leading to the cooling passage and an outlet leading away from the cooling passage, and a control device for controlling operation of the tool motor, which generates heat, disposed inside the handle, in thermal contact with the cooling passage between the inlet and the outlet. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A power tool having a cooling system, comprising:
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a motor housing having a main chamber, a tool motor accommodated within the main chamber, a handle for holding the power tool, a heat pipe accommodated inside the handle, and separate from a remainder of the handle a control device for controlling operation of the tool motor which generates heat, disposed inside the handle, wherein the control device is in thermal contact with the heat pipe. - View Dependent Claims (16, 17)
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Specification