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| Number | Title | Issue Date |
| 6688498 | Hot melt adhesive supply system with independent gear pump assemblies A new and improved gear pump assembly, and a new and improved hot melt adhesive dispensing assembly having a plurality of the new and improved gear pump assemblies incorporated therein, wherein each gear pump assembly is mounted upon the dispensing assemb... | 02/10/2004 |
| 6607371 | Pneudraulic rotary pump and motor Expansible chamber apparatus for a positive displacement, high volume, low friction, reversible rotary pump for gases and/or liquids. Two or more chambers are provided, defined in part by one or more small abutments that move radially in a slot to switch ... | 08/19/2003 |
| 6257195 | Internal combustion engine with substantially continuous fuel feed and power output The internal combustion engine allows charging with an air/fuel mixture into the combustion chamber while the combustion chamber is under combustion pressure and outputs power virtually continuously at the same time, i.e., the novel engine has an almost c... | 07/10/2001 |
| 6106257 | Hydraulic power transmission system A hydraulic power transmission system including a stationary inner barrel connected between a hydraulic oil inlet pipe and a hydraulic oil return pipe and having a plurality of openings spaced around the periphery and a plurality of movable blocks moved i... | 08/22/2000 |
| 5597295 | Multi-chamber rotary fluid machine with at least two ring members carrying vanes A multiple rotary fluid machine which includes a stator and a plurality of coaxial rotors held together, sealing vanes and fluid ports which are all offset alternately in the radial plane and form a multiplicity of rotary fluid machines or stages which ar... | 01/28/1997 |
| 5375985 | Multi-chamber rotary fluid machine having at least two vane carrying ring members A multiple rotary fluid machine which includes a stator and a plurality of coaxial rotors held together, sealing vanes and fluid ports which are all offset alternately in the radial plane and form a multiplicity of rotary fluid machines or stages which ar... | 12/27/1994 |
| 5263829 | Magnetic drive mechanism for a pump having a flushing and cooling arrangement A magnetic drive mechanism and cooling system for driving a rotary pump having a magnetic rotary drive member with a recess therein. A magnetic rotary driven member is located in the recess of the drive member. A container is located between the drive mem... | 11/23/1993 |
| 5220893 | Rotary internal combustion engine A rotary internal combustion engine includes a stationary housing having one or more housing slots extending to a housing interface surface and a rotor, having one or more rotor slots extending to a rotor interface surface turning adjacent to the housing ... | 06/22/1993 |
| 5073097 | Multi-chamber rotary lobe fluid machine with positive sliding seats A rotary fluid machine including a rotor provided with a plurality of lobes, a ring surrounding the rotor and with the lobes defining a plurality of chambers, a housing surrounding the ring and provided with a plurality of depressions which together with ... | 12/17/1991 |
| 4456441 | Rotary machine A rotary engine, either prime mover--or pump or compressor--comprises as its basic element a circular casing in which is journalled rotatably a hollow, cylindrical body, the interior wall face of which ascribes a space delimited by recesses alternating wi... | 06/26/1984 |
| 4390328 | Machine with rotary piston including a flexible annular member A fluid driving or fluid driven machine includes an outer cylinder housing stationary piston. The piston includes a generally annular flexible band of smaller circumference than the inner circumference of the cylinder, and a rotary body accommodated withi... | 06/28/1983 |
| 4023540 | Rotary engine An internal combustion engine of the rotary type which includes a cylindrical rotor having a skirt portion, rotating in an annular chamber, that comprises two arcuate walls of differing radii joined by relatively short, diametrically disposed sloping port... | 05/17/1977 |
| 3988076 | Rotary vane machine with spring-biased vanes An inner component of the fluid machine has an outer circumferential surface, and an outer component has an inner circumferential surface which eccentrically surrounds the outer circumferential surface. One of the components is rotatable relative to the o... | 10/26/1976 |
| 3986483 | Rotary internal combustion engine A rotary internal combustion engine includes an annular stator member having two pairs of sockets located in the periphery thereof, and a rotor member mounted to rotate about the stator member. The rotor member has side walls and an interior peripheral wa... | 10/19/1976 |
| 3984946 | Motor driven abrasive device with rotating, cylindrical motor drum housing A motor operated abrading device for abrading surfaces, such as vehicle bodies, which device utilizes a cylindrical housing of the motor on which to secure a sheet of abrasive material, so when the cylindrical motor housing is rotated an abrading element ... | 10/12/1976 |
| 3976037 | Rotary engine A rotary engine has an annular stator and an externally rotating rotor, as well as an internally counter-rotating hollow shaft. Compression and expansion chambers are defined at the boundaries between the stator and said rotor and shaft respectively. Tria... | 08/24/1976 |
