STAR™ linear motors -alternators are the driving force behind all Qdrive pressure wave generators and cryocoolers. These are linear reciprocating devices that combine the unique Commuter™ flexing axial suspension with plunger-mounted high-energy magnets and robust coil-over-iron stators. Each model is designed to operate for well over 10 maintenance-free years with a calculated mean time between failures per MIL-STD 217F (military standard method) of 129,760 hours. This is supported by 100’s of installations worldwide. STARTM motors - alternators offer efficiencies in the 80%-90% range, much higher than similar linear reciprocating devices. The superior performance and unique features make them the natural driving force for Qdrive’s cryocooler and pressure wave generator products.
For detailed parameters on each motor/alternator click the product at the bottom of this page.