Reciprocating piston electric motor
US4507579A · kind A · utility
Inventor
Key dates
| Filing date | Sep 29, 1983 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Sep 29, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A reciprocating piston electrical motor includes at least one nonmagnetic cylinder housing forming a piston chamber wherein a magnetic piston is freely slidably mounted. Spaced separate coils of wire are wrapped about respective ends of the cylinder housing leaving the intermediate length of the cylinder free of windings. One end of a piston rod is rigidly attached to the magnetic piston and the other end is rotatably attached to a crankshaft. The crankshaft is rotatably secured to a mounting base while the end of the cylinder housing away from the crankshaft is pivotally mounted to the mounting base. Means are provided for supplying electrical power to the coils to cause movement of the magnetic piston first to one end of the piston chamber and then to the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.