Bizarre Patents
Hands free towel carrying system
A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7372222 | Control device for motor-driven 4WD vehicle and related control method A control device for a motor-driven 4WD (four-wheel-drive) vehicle includes a 42v alternator (motor-generator) driven by an engine to generate three-phase AC power with 42 volts, a step-up and step-down inverter rectifying and stepping down three-phase AC power, gen... | 05/13/2008 |
| 7355295 | Variable speed wind turbine having an exciter machine and a power converter not connected to the grid A variable speed wind turbine having a doubly fed induction generator (DFIG), includes an exciter machine mechanically coupled to the DFIG and a power converter placed between a rotor of the DFIG and the exciter machine. Thus, the power converter is not directly con... | 04/08/2008 |
| 7337526 | Method for manufacturing squirrel cage rotor Ceramic adhesive is applied inside the slots of an electric machine squirrel cage rotor prior to casting or insertion of rotor conductors. This heat-resistant insulation provides superior electrical insulation that is also mechanically rugged, thus enabling casting ... | 03/04/2008 |
| 7161259 | Wind power generator A windmill driven electric generator is described with an air sealed closed chamber surrounding rotating and stationary parts to prevent condensation problems during times when the windmill is standing still due to a lack of wind. The closed chamber may be provided ... | 01/09/2007 |
| 7088027 | Rotating asynchronous converter and a generator device The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency f1, and a second stator connected to a second AC network with a second... | 08/08/2006 |
| 6906447 | Rotating asynchronous converter and a generator device A rotating asynchronous converter for connection of AC network with equal or different frequencies employs a first stator connected to a first AC network with a first frequency and a second stator connected to a second AC network with a second frequency, and a rotor... | 06/14/2005 |
| 6774504 | Wind power generator A windmill driven electric generator is described with an air sealed closed chamber surrounding rotating and stationary parts to prevent condensation problems during times when the windmill is standing still due to a lack of wind. The closed chamber may be provided ... | 08/10/2004 |
| 6750636 | Redundant field drive for an electric machine An electric power generating system comprising: a generator including an alternator and regulator, the regulator including a normal field control and a redundant field control with a default field command and a selector for selecting between the normal field control... | 06/15/2004 |
| 6737757 | Wind power plant and method for operating it The invention concerns a method for operating a windmill with variable rpm and a directly network connected primary generator. By this method there disposed a regenerative slip generator between the gear of the windmill and the primary generator, whereby the power c... | 05/18/2004 |
| 6147414 | Dual-purpose converter/startup circuit for a microturbine power generating system A microturbine power generation system includes an electric generator, a rectifier for rectifying an output of the electric generator, and an inverter for up-chopping an output of the rectifier. The inverter can also be controlled to provide an excitation... | 11/14/2000 |
| 4305001 | Constant frequency alternator A double induction dynamo electric machine of the exciter-generator type provides an AC electrical output that has a substantially constant frequency characteristic by using a closed frequency loop arrangement without requiring electronic controls or, in ... | 12/08/1981 |
| 4251734 | Publications cover with display device A report cover with a display device comprising at least two sheets hingedly connected for folding as an inside cover and a third sheet hingedly connected to one of said aforementioned sheets and acting as the bottom cover, said first two mentioned sheets... | 02/17/1981 |
