Quotables
"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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 |
| 8100103 | Reciprocating piston cylinder head cover having an integrated fluid exchange rotary disc valve A cylinder head cover for a reciprocating compressor cylinder. The cover includes a first plate having a first and second channel in a surface of the first plate. The first and second channels merge within the plate at a first opening through the bottom surface of t... | 01/24/2012 |
| 7647909 | Pressure equalizing valve seal for spherical rotary valve engine A valve seal for a rotary valve assembly for use in an internal combustion engine of the piston and cylinder type, the valve seal having a valve seal body member having a curved annular upper surface conforming to the spherical periphery of a spherical rotary valve,... | 01/19/2010 |
| 7401592 | Hybrid exhaust valve assembly An exhaust valve assembly includes a flapper valve fixed to a valve shaft where the flapper valve is movable between a closed position, an intermediate position, and an open position. A resilient member biases the flapper valve toward the closed position. An electri... | 07/22/2008 |
| 7380532 | Disc valve intermediate ring seal Between the cylinder head and combustion chamber of an internal combustion engine, an intermediate sealing ring. The sealing ring is in sliding contact at its top circular surface with a disc valve rotatively mounted in said cylinder head and at its outer periphery ... | 06/03/2008 |
| 7371265 | Continuous hydrogen and alcohol generator from coal A gas generator with the sole input of air, water and coal that continuously produces hydrogen and carbon monoxide and further reacts these two gases into alcohol. This gas generator/reactor is using its own by-products and is therefore also self sustaining. ... | 05/13/2008 |
| 7334558 | Slide body internal combustion engine An internal combustion engine includes a slide body having a plurality of rigidly mounted pistons on opposite ends of the slide body. The slide body reciprocates and is connected to a flywheel by shaft and bearing which extends through an angled track in the slide b... | 02/26/2008 |
| 7328680 | Cylinder head assembly and spherical valve for internal combustion engines A cylinder head assembly includes a spherical valve for an internal combustion engine having at least one cylinder defining a combustion chamber and housing a piston reciprocally movable therein throughout successive intake, compression, power, and exhaust strokes f... | 02/12/2008 |
| 7213547 | Valve A valve is constructed to strike a balance between providing relatively high sealing yet low friction as components of the valve move. The valve includes a port and an actuator movable relative to the port. A member is disposed between the port and the actuator. The... | 05/08/2007 |
| 7124719 | Two-way cylinder engine An internal combustion engine wherein each cylinder has two pistons placed in the opposite direction and attached together by an arm-type connecting rod and wherein a cylinder head has a rotor blade rotating in the middle between the upper cylinder head and the lowe... | 10/24/2006 |
| 7121247 | Spherical rotary engine valve assembly A spherical rotary engine valve assembly for use in an internal combustion engine. ... | 10/17/2006 |
| 7044097 | Cylinder head A cylinder head 12 showing a guideway in which is located a rotatable valve 10, 12 comprising a fluid port operable to effect fluid communication between a cylinder and a fulid manifold in the guideway, whereby rotation of the valve effects alignment o... | 05/16/2006 |
| 6976465 | Disc valve intermediate ring seal Between the cylinder head and combustion chamber of an internal combustion engine, an intermediate sealing ring. The sealing ring is in sliding contact at its top circular surface with a disc valve rotatively mounted in said cylinder head and at its outer periphery ... | 12/20/2005 |
| 6948458 | Two-way cylinder engine An internal combustion engine wherein each cylinder has two pistons placed in the opposite direction and attached together by an arm-type connecting rod and wherein a cylinder head has a rotor blade rotating in the middle between the upper cylinder head and the lowe... | 09/27/2005 |
| 6779504 | Spherical rotary intake valve for spherical rotary valve engine assembly An improved spherical rotary intake valve for a spherical rotary valve assembly for internal combustion engine, the improved rotary intake valve having a drum body of spherical section defined by two parallel planes of a sphere disposed symmetrically about the cente... | 08/24/2004 |
| 6718933 | Valve seal for rotary valve engine A valve seal for a rotary valve assembly for use in an internal combustion engine of the piston and cylinder type, the valve seal having a valve body member having a curved annular upper surface conforming to the spherical periphery of a spherical rotary valve, the ... | 04/13/2004 |
| 6666458 | Valve seal for rotary valve engine A ceramic composite valve seal for a rotary valve assembly for use in internal combustion engines having rotary intake valves and rotary exhaust valves which have a spherical peripheral surface, the valve seal being of two-piece construction surrounding t... | 12/23/2003 |
| 6390048 | Valve apparatus for internal combustion engine A gas valve apparatus for an internal combustion engine having a combustion chamber. The gas valve apparatus includes a rotary intake valve located between an outer intake port and inner intake port at the combustion chamber and a rotary exhaust valve loc... | 05/21/2002 |
| 6321699 | Spheroidal rotary valve for combustion engines A rotary valve is disclosed suitable for replacement of poppet valves. The valve is temperature controlled through a combination of heat transfer techniques and means for reducing heat transfer between gas flows and the valve components. Assymetric geomet... | 11/27/2001 |
| 6125819 | Rotating piston engine with variable effective compression stroke A rotating cylindrical piston engine with a variable effective compression stroke. The present engine shuttles the piston during the power stroke as far as possible in the cylinder to maximize the use of the power provided by the fluid explosion. Since as... | 10/03/2000 |
| 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 |
| 6095106 | Cyclo-valve for internal combustion engines Presented is a new rotary or cyclo-valve system for engines, such as internal combustion engines, that greatly simplifies the valve system for such engines. The cyclo-valve simply rotates to align its gas passageways with inlets to or outlets from engine ... | 08/01/2000 |
| 6029617 | Modular rotary discoid valve assembly for engines and other applications A modular rotary discoid valve assembly includes a housing for positioning on an engine of the piston and cylinder type. The housing includes an intake passage for conducting a working fluid to the cylinder and an exhaust passage for conducting the workin... | 02/29/2000 |
| 5996544 | Rotary valve control system for internal combustion engines and reciprocating pumps The invention relates to a rotary valve control system for internal combustion engines and reciprocating pumps. A rotationally symmetrical, dome-shaped, drivable rotary valve is arranged in the cylinder head of the engine. In the cylinder head there is in... | 12/07/1999 |
| 5988133 | Engine disc valve Within the cylinder head of an internal combustion engine, a rotatively mounted disc valve having beveled gear teeth upon the edge of its outer perimeter and a plurality of equally spaced ports about its center of rotation for cyclic indexing with a like ... | 11/23/1999 |
| 5911203 | Modular rotary discoid valve assembly for engines and other applications A modular rotary discoid valve assembly includes a housing for positioning on an engine the piston and cylinder type. The housing includes an intake passage for conducting a working fluid to the cylinder and an exhaust passage for conducting the working f... | 06/15/1999 |
| 5673663 | Non-valve engine device and method of controlling the same A non-valve engine device for a vehicle and a method of controlling the non-valve engine device are disclosed. The device includes a hemispherically configured, rotatable combustion chamber having an opening for matching with one of intake and exhaust por... | 10/07/1997 |
| 5623901 | Time twister cylinder head for use in internal combustion engines A time twister cylinder head includes two rotary valves driven by a timing belt coupled to the engine crankshaft by belts and pulleys to describe a desired rate of rotation of the valves with respect to rotation of the crankshaft. Each valve is generally ... | 04/29/1997 |
| 5582140 | Rotatable timed mechanism for feeding vaporous fluid to a combustion cylinder A timeable fluid feed mechanism for feeding or injecting combustible vapors into an internal combustion engine, primarily compression ignition. The mechanism includes a rotating disk with a cavity that passes repeatedly and consecutively over a fuel inlet... | 12/10/1996 |
| 5579732 | Electromechanical valve system The electromechanical valve system consists of a new system for opening and closing intake and exhaust valves on internal combustion motor vehicle engines by using electric pulses from the electronic control module (ECM) to electromagnets surrounding ball... | 12/03/1996 |
| 5579734 | Rotary valve internal combustion engine A rotary valve engine includes an engine block having at least one combustion chamber which is sealed by a rotary valve which also can function as a head. The rotary valve includes an intake passage and an exhaust passage for directing intake air into the... | 12/03/1996 |
| 5558049 | Variable orbital aperture valve system for fluid processing machines A valve system for fluid processing machines which provides fully dynamic control over aspiration events. In the case of an internal combustion engine application, the variable orbital aperture valve system includes a rotary valve in the form of an "orbit... | 09/24/1996 |
| 5361739 | Spherical rotary valve assembly for use in a rotary valve internal combustion engine A spherical rotary valve assembly for an internal combustion engine of the piston and cylinder type wherein the spherical rotary valve assembly is positioned within a split cylinder head having an upper and lower section such that when secured defines cav... | 11/08/1994 |
| 5329897 | Rotary valve with seal for internal combustion engine A rotary valve for an internal combustion engine comprising: a tapered valve body with a passage for flow of gas starting at one end of the taper and terminating in two places 180 degrees apart on the face of the taper; a pair of rigid seals, 180 degrees ... | 07/19/1994 |
| 5257601 | Adjustable rotary valve assembly for a combustion engine A rotary valve assembly is provided for use in a combination engine, wherein the valve assembly is adjustable for variable valve timing during engine operation. The rotary valve assembly comprises a rotary valve plate formed by a pair of valve leaves moun... | 11/02/1993 |
| 5251583 | Intake apparatus for two cycle engine A motorcycle powered by a two cycle internal combustion engine having an improved induction system that has a vertically extending intake pipe so as to permit a wide latitude of leaning of the motorcycle without interference from the induction system. The... | 10/12/1993 |
| 5109814 | Spherical rotary valve An improved rotary valve for a spherical rotary valve engine in which the intake spherical valve and the exhaust spherical valve have an aperture on the spherical periphery for communication with the inlet port and exhaust port of the cylinder, respective... | 05/05/1992 |
| 5076219 | Internal-combustion engine with rotary distribution A rotary bell (36) driven by a hollow shaft (42) and a pinion (46) selectively exposes intake and exhaust ports of the cylinder head (23). The bell (36) delimits a substantially hemispherical combustion chamber (26) and has a progression face (62) which p... | 12/31/1991 |
| 5052349 | Rotary valve for internal combustion engine The invention herein is a rotary valve apparatus for a cylinder of an internal combustion engine, containing a valve housing having an internal axial bore and an opening over the combustion chamber, a circumferential bearing positioned within the bore, an... | 10/01/1991 |
| 4989576 | Internal combustion engine An internal combustion engine of the piston and cylinder type is provided. The conventional cylinder head is replaced by a detachable head assembled from two hollowed out cylinder head components one of which (3a) is shown. The components when assembled p... | 02/05/1991 |
| 4989558 | Spherical rotary valve assembly for an internal combustion engine A spherical rotary valve assembly for an internal combustion engine of the piston and cylinder type wherein the spherical rotary valve assembly is positioned within a split cylinder head having an upper and lower section, such when secured defines a cavit... | 02/05/1991 |
