초록 ▼

The invention relates to a heat sink arrangement with a heat sink with a cylindrical interior, in particular a casing of an electric motor or casing part for such, with power electronics integrated into the casing or casing part, with at least one electronics component pressed against the heat sink

The invention relates to a heat sink arrangement with a heat sink with a cylindrical interior, in particular a casing of an electric motor or casing part for such, with power electronics integrated into the casing or casing part, with at least one electronics component pressed against the heat sink from inside, in which there is a lock washer, mounted in such a way that a contact pressure from the lock washer and the at least one electronics component is transmitted to the heat sink, and also an electric motor and a casing part for adding to an electric motor.

대표청구항 ▼

1. Heat sink arrangement with a heat sink with a cylindrical interior with power electronics integrated into the heat sink, with at least one electronics component pressed against the heat sink from inside, wherein there is a spring ring, mounted in such a way that a contact pressure from the spring

1. Heat sink arrangement with a heat sink with a cylindrical interior with power electronics integrated into the heat sink, with at least one electronics component pressed against the heat sink from inside, wherein there is a spring ring, mounted in such a way that a contact pressure from the spring ring and the at least one electronics component is transmitted to the heat sink, characterised in that there is further a clamping ring, mounted in such a way that the contact pressure is transmitted from the spring ring to the at least one electronics component via the clamping ring, and characterised in that the heat sink arrangement further includes a slotted cooling ring pressed against the heat sink arrangement from inside. 2. (canceled) 3. Heat sink arrangement according to claim 1, characterised in that the clamping ring has on its outside at least one knob, by which the contact pressure is transmitted to one of the at least one electronics components. 4. Heat sink arrangement according to claim 1, characterised in that the clamping ring has on its inside a circulating groove for accommodating the spring ring. 5. (canceled) 6. Heat sink arrangement according to claim 1, characterised in that the cooling ring is cylindrical on its outside and has at least one flat support face for an electronics component on its inside. 7. Electric motor with casing and power electronics integrated into the casing, characterised in that a casing of an electric motor is constructed as a heat sink arrangement according to claim 1. 8. Casing part for adding to an electric motor with integrated power electronics for this, characterised in that the casing part of the electric motor is constructed as a heat sink arrangement according to claim 1. 9. A heat sink arrangement for a casing of an electric device, the heat sink arrangement comprising: a heat sink with a cylindrical interior; a cooling ring provided within the cylindrical interior of the heat sink which presses against the cylindrical interior from inside; at least one electronics component mounted on an inside surface of the cooling ring; a clamping ring which transmits contact pressure to the at least one electronics component; and an inner ring which applies contact pressure outwardly to the clamping ring; wherein contact pressure from the inner ring is transmitted to the heat sink. 10. The heat sink arrangement of claim 9 wherein the clamping ring has a circulating groove which accommodates the inner ring. 11. The heat sink arrangement of claim 9, wherein the cooling ring is cylindrical on its outside and has at least one flat support face for an electronics component on its inside. 12. The heat sink arrangement of claim 9, wherein the heat sink is a casing of an electric motor. 13. The heat sink arrangement of claim 12, wherein the casing includes power electronics for the electric motor which are integrated in the casing. 14. The heat sink arrangement of claim 9, wherein the clamping ring includes at least one knob provided outside the clamping ring which transmits contact pressure to one of the at least one electronics components. 15. A heat sink arrangement for a casing of an electric device, the heat sink arrangement comprising: a heat sink with a cylindrical wall; at least one electronics component mounted to the cylindrical wall of the heat sink; and a penannular member that applies contact pressure in a radial direction to the at least one electronics component; wherein contact pressure from the penannular member is transmitted to the heat sink. 16. The heat sink arrangement of claim 15, wherein the penannular member is C-shaped. 17. The heat sink arrangement of claim 15, further comprising a clamping ring that is interposed between the pennanular member and the at least one electronics component. 18. The heat sink arrangement of claim 17, wherein the clamping ring has a circulating groove which accommodates the penannular member. 19. The heat sink arrangement of claim 15, wherein a cooling ring provided within the cylindrical wall of the heat sink which presses against the cylindrical wall from inside and the at least one electronics component is mounted on an inside surface of the cooling ring. 20. The heat sink arrangement of claim 15, wherein the heat sink is a casing of an electric motor. 21. The heat sink arrangement of claim 17, wherein the clamping ring includes at least one knob provided outside the clamping ring which transmits contact pressure to one of the at least one electronics components. 22. The heat sink arrangement of claim 19, wherein the cooling ring is cylindrical on its outside and has at least one flat support face for an electronics component on its inside.