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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 7421995 | Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan... | 09/09/2008 |
| 7328674 | Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan... | 02/12/2008 |
| 7325520 | Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan... | 02/05/2008 |
| 7255082 | Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan... | 08/14/2007 |
| 7131405 | Rotating cylinder valve engine A rotating cylinder valve engine provides variable compression to the engine by axially moving the rotatable cylinder towards or away from the piston. The volumetric center of the combustion chamber is offset from the central axis of the piston. The engine cylinder ... | 11/07/2006 |
| 7017538 | Method of producing a powerful and efficient internal combustion four stroke engine using a blower and a single valve cylinder The present invention relates generally to a method for providing an efficient and powerful engine for internal combustion four stroke engines using a single valve per cylinder as the intake and exhaust valve. Outside air emerging from an air filter is forcibly pump... | 03/28/2006 |
| 7004119 | Apparatus and method for rotating sleeve engine hydrodynamic seal A hydrodynamic face seal 100 for sealing between the cylinder head 300 and rotating sleeve 200 of a rotating liner engine. The face of the face seal provides a sealing zone 130 for maintaining a lubricant layer of about 2 micrometers betw... | 02/28/2006 |
| 6289872 | Rotating sleeve engine An internal combustion engine is provided including at least one cylinder having a conventional valvetrain. The valvetrain consists of at least one camshaft, at least one intake poppet valve per cylinder activated by the camshaft and at least one exhaust ... | 09/18/2001 |
| 6098579 | Carbon fiber reinforced carbon composite rotary valve for an internal combustion engine Carbon fiber reinforced carbon composite rotary, sleeve, and disc valves for internal combustion engines and the like are disclosed. The valves are formed from knitted or braided or warp-locked carbon fiber shapes. Also disclosed are valves fabricated fro... | 08/08/2000 |
| 5690069 | Internal combustion engine having rotary distribution valves A multi-cylinder internal combustion engine comprising a cylinder assembly with intake ports and exhaust ports arranged in register, wherein the distribution system for opening and closing said intake and exhaust ports include two rotary pipes each consis... | 11/25/1997 |
| 5572967 | Variable roller valve system for internal combustion engine A variable roller valve system for use in an internal combustion engine. A Sliding Iris™ feature provides separate, independent, and continuous control over the aperture sizes of the intake and exhaust valve ports while the engine is running. The valve ... | 11/12/1996 |
| 5482011 | Four-cycle internal combustion engine having a rotating cylinder sleeve A four-cycle internal combustion engine having a crankshaft, a spark plug with a central electrode and a piston cylinder with an internal surface. An intake opening and an exhaust opening are formed in the internal surface. A sleeve is rotatably disposed ... | 01/09/1996 |
| 5474036 | Internal combustion engine with rotary valve assembly having variable intake valve timing An internal combustion engine has rotary valves associated with movable shutters operable to vary the closing of intake air/fuel port sections to obtain peak volumetric efficiency over the entire range of speed of the engine. The shutters are moved automa... | 12/12/1995 |
| 5315963 | Sleeve-type rotary valve for an internal combustion engine An internal combustion engine is provided including at least one cylinder having at least one inlet port and at least one exhaust port; a piston mounted in the at least on cylinder for reciprocated movement therein, the piston having a piston rod; a crank... | 05/31/1994 |
| 4515113 | Swash plate engine The swash plate engine is provided with an Aspin type rotary valve system with a variable compression capability. The engine may be of four-piston type or six-piston type. The size of the combustion chambers can be changed from time to time to vary the co... | 05/07/1985 |
| 4180028 | Fluid operated device A fluid operated device comprises a cylinder, a piston movable axially therein, a shaft parallel to the axis of the cylinder and coupling means coupling the piston and cylinder and/or the piston and shaft in such a way that axial reciprocation of the pist... | 12/25/1979 |
| 3948241 | Lubricating and sealing system for internal combustion engines A lubrication and sealing system for the cylinder head of an internal combustion engine having a sleeve valve mounted for rotation therein, said sleeve valve having intake slots therethrough which register periodically, as the valve rotates, with air inta... | 04/06/1976 |
