Compressor arrangement for compressed air supply facility
AssigneeWABCO GmbH
InventorsFrank Meissner, Marco Seeger
Life of this patent
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Abstract
A compressor arrangement for operating a compressed air supply facility of a vehicle includes a compressor having an electric motor constructed as an electronically commutated, brushless DC motor with a control circuit comprising a power electronics unit, and a pneumatic compressor. The electric motor is constructed in the form of an external rotor motor.
Claims29
A compressor system for operating a compressed air supply system of a vehicle, the compressor system comprising:
- a compressor including a brushless DC electric motor comprising a control circuit, the control circuit comprising power electronics;
- and
- a pneumatic compressor element;
- wherein the electric motor comprises a stator and an external rotor, wherein the external rotor comprises a rotor bell, and wherein the rotor bell is attached, via a frictional and/or positive connection, to a drive shaft and/or a crankpin;
- wherein a cantilever suspends the stator from a motor case, wherein the stator comprises an armature defining a first circumferential channel and the cantilever comprises a first annular protrusion disposed therein;
- wherein the cantilever defines a second circumferential channel and the armature comprises a second annular protrusion disposed therein;
- and
- wherein the cantilever is disc-shaped.
A compressor system for operating a compressed air supply system of a vehicle, the compressor system comprising:
- a compressor including a brushless DC electric motor comprising a control circuit, the control circuit comprising power electronics, and
- a pneumatic compressor element;
- wherein the electric motor comprises a stator and an external rotor, wherein the external rotor comprises a rotor bell, and wherein the rotor bell is attached, via a frictional and/or positive connection, to a drive shaft and/or a crankpin;
- wherein a cantilever suspends the stator from a motor case, wherein the stator comprises an armature defining a first circumferential channel and the cantilever comprises a first annular protrusion disposed therein;
- wherein the cantilever defines a second circumferential channel and the armature comprises a second annular protrusion disposed therein;
- wherein the cantilever is disc-shaped, and
- wherein the control circuit is configured to (i) measure rotational energy stored in the rotor and (ii) monitor and/or adjust a rotational velocity of the rotor.
A compressor system for operating a compressed air supply system of a vehicle, the compressor system comprising:
- a compressor including a brushless DC (BLDC) external rotor motor having a control circuit with a power electronics unit;
- and
- a pneumatic compressor element,
- wherein the BLDC external rotor motor includes a stator suspended within a motor case by a cantilever;
- wherein the stator comprises an armature defining a first circumferential channel,
- wherein the cantilever comprises a first annular protrusion disposed therein,
- wherein the cantilever defines a second circumferential channel, and
- wherein the armature comprises a second annular protrusion disposed therein.
Dependencies are inferred from the claim text.