| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 418033000 | INTERMITTENTLY ACCELERATED AND RECEDING MEMBERS ROTATE IN SAME PATH (ALTERNATING PISTON TYPE) | 6 |
| 418035000 | Each a working member | 6 |
| 20090081061 | PERIPHERALLY PIVOTED OSCILLATING VANE MACHINE - The present invention is directed to a peripherally pivoted oscillating vane machine (OVM). The OVM has been optimized for performance and efficiency. This has been accomplished by reducing loads on the drive mechanism and by employing de-phased motion of the peripherally pivoted vanes in conjunction with improved porting configurations as well as valve actuation and manufacture. | 03-26-2009 |
| 20110027113 | Crank Joint Linked Radial and Circumferential Oscillating Rotating Piston Device - Axially protruding, centrally cooled pistons rotate around a stationary rotation axis within a cylindrical main chamber. Hinged to each piston is a slider in a radial guide that is steadily rotating around another offset stationary rotation axis. As the pistons are individually accelerated and decelerated via the guides, sliders and hinges, rotating volumes between them angularly expand and contract. Inlets and outlets communicate fluid in correspondence with expansion and contraction phases of the rotating volumes. A low number of moving parts, area sealed volumes, no valves, substantially no dead volume, balanced mass forces, smooth rotation and short force transmission paths between opposing mass forces provide for lightweight construction and high rotational speeds. The sliders may be secondary pistons radial modulating secondary rotating volumes adjacent the main chamber for a dual stage thermodynamically efficient operation with intermittent fluid cooling or heating. | 02-03-2011 |
| 20150098851 | Rotary Expansible Chamber Devices Having Adjustable Arcs of Rotation, and Systems Incorporating the Same - Rotary expansible chamber (REC) devices having one or more working-fluid ports that are adjustable, for example, in size or location. In some embodiments, the variable port mechanisms can be used to control any one or more of a plurality of operating parameters of a REC device independently of one or more others of the operating parameters. In some embodiments, the REC devices can have a plurality of fluid volumes that change in size during rotation of the REC device, and that transition to a zero volume condition during the rotation of the REC device. Systems are also provided that can include one or more REC devices. Methods for controlling various aspects of REC devices, including methods of controlling one or more operating parameters, are also provided. | 04-09-2015 |
| 20150377024 | Oscillatory Rotary Engine - An oscillatory rotary engine comprising a toroidal housing having an intake port and an exhaust port. The housing supports an output shaft and a plurality of stacked rotors are disposed within the housing and coupled to the output shaft. Each rotor includes a plurality of pistons disposed in spaced relation to each other about a circumference of the rotor. A resilient coupler connects the rotors to the output shaft. Preferably, the coupler comprises a plurality of nested spiral cuts extending through the rotor. Each piston may include a pawl that is operative to engage ratchets located around the housing, thereby allowing rotation of each rotor in only one direction. The oscillatory rotary engine may further include a compression bypass port that is operative to relieve intake air pressure during compression, whereby the engine has a compression ratio that is less than its expansion ratio. | 12-31-2015 |
| 418036000 | Working member movement controlled by interengaging rotating members | 1 |
| 20090047160 | Rotary Scissors Action Machine - A rotary machine is provided having rotating forward and rearward work members having cyclic non-constant angle motion there between, the machine includes a rotating shaft and a first gear eccentrically mounted with the rotating shaft. A reaction gear in mesh with the first gear causes the first gear to rotate with respect to the rotating shaft. First and second connecting rods are pivotally connected with the first gear. First and second crank arms are pivotally connected with the respective first and second connecting rods. First and second coaxial shafts are connected with the respective first and second first crank arms. The first shaft is connected with at least one forward work member. The second shaft is connected with at least one rearward work member. | 02-19-2009 |
| 418038000 | Cam controlled working member movement | 1 |
| 20130195706 | Toroidal motor - The present invention provides for a toroidal motor comprising a centrally located output shaft, a circular plate centrally and transversely affixed to the output shaft, a toroidal cylinder located in the same plane as and to the outside edge of the circular plate, pistons affixed to the outside edge of the circular plate and residing in the toroidal cylinder. A circular timing track may be used to time the action of a knife gate assembly which may be configured to induce a camming action in the knife gate assembly, rotating the knife gate into the toroidal cylinder, blocking the cylinder just behind a passing piston. Pressurized fluid may be introduced between the knife gate and the rear of the immediate downstream piston to cause a differential pressure to propel the piston through the toroidal cylinder. | 08-01-2013 |
