Mavinahally, US
Nagesh Mavinahally, Northridge, CA US
Patent application number | Description | Published |
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20110056462 | FOUR CYCLE ENGINE CARBURETORS - Various embodiments provide for methods of cylinder manufacturing engines. Various embodiments provide for methods of cylinder manufacturing four-stroke engines. Various embodiments provide for methods of cylinder manufacturing two-stroke engines. | 03-10-2011 |
20110061636 | Two-Stroke Engine - A two-stroke internal combustion engine includes at least one gaseous communication charge passage between a crankcase chamber and a combustion chamber of the engine and a piston to open and close the top end of the transfer passage. The air inlet port to the transfer passage for stratified scavenging is opened and closed by the piston that has passages and cutouts. The charge inlet to the crankcase chamber is opened and closed by the piston. The air and charge inlet passages are substantially asymmetrical to the layout of the transfer passages and are closer to one transfer passage compared to the other. The internal air passage in the piston is substantially perpendicular to the piston pin. | 03-17-2011 |
20110061637 | Fuel System - In various embodiments, a metering apparatus may be associated with an engine. The metering apparatus may include a first passageway for transporting air to a first port of an engine, and a second passageway for transporting gaseous fuel to a second port of the engine. | 03-17-2011 |
20110073064 | INTEGRALLY CAST BLOCK AND GASEOUS FUEL INJECTED GENERATOR ENGINE - An integrally cast four-stroke engine mono-block ( | 03-31-2011 |
Nagesh Mavinahally, Los Angeles, CA US
Patent application number | Description | Published |
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20110259294 | Lubricating System for a Two-Stroke Engine - A lubricating system for a two-stroke engine is provided in which oil is more reliably pumped into the two-stroke engine. The oil travels through passages that are integrally cast into the cylinder and/or crankcase. The oil may be injected directly into the crankcase chamber or intake passage. The oil pump may be a rotary pump mounted on the crankcase concentric to the crankshaft. It is also possible to not use an oil pump, and have the oil drawn into the engine by vacuum created in the crankcase. | 10-27-2011 |
20120006308 | Piston for a Two-Stroke Engine - A transfer passage design for a two stroke internal combustion engine that allows for regulation of the air/fuel flow as the piston nears the bottom of its stroke. Additionally, a cut out in the skirt of the piston may allow for additional gaseous communication between the crankcase chamber and the transfer passage. | 01-12-2012 |
Nagesh S. Mavinahally, Granada Hills, CA US
Patent application number | Description | Published |
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20150322895 | STRATIFIED TWO-STROKE ENGINE - Various embodiments include two-stroke stratified engines and dual passage carburetors for use with gaseous fuel, such as hydrogen, methane, liquid petroleum gas, pure propane, and butane. A stratified air-head engine and low pressure fuel injected engines with fuel only tube is included. | 11-12-2015 |
Nagesh S. Mavinahally, Anderson, SC US
Patent application number | Description | Published |
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20090266330 | Monolithic Block and Valve Train for a Four-Stroke Engine - A cylinder crankcase for a four-stroke engine is disclosed. The cylinder crankcase includes a cylinder head, cylinder block, and crankcase which are monolithic. A half-crank crankshaft bears in a crank arm, which is included in the crankcase. The cylinder crankcase includes a belt driven valve train and crank arm that includes a pocket containing a crank gear attached to the crankshaft for driving the belt. | 10-29-2009 |
20090308369 | Laminated Counterweight for Timing Control - A stratified two-stroke engine having a laminated counterweight is disclosed. The laminated counterweight includes a traditional counterweight portion and a laminate portion. The laminate portion has an approximately circular peripheral shape and at least one notch. In operation, the notch may be used to time the opening and closing of a mixture port or a transfer port. | 12-17-2009 |
20100006076 | Breather System for a Four Stroke Engine - A breather system for an engine used to vent combustion, or blow-by, gases. The breather system has an axial breather passage disposed within a camshaft of the engine. A radial opening is in fluid communication with the axial breather passage. A valve is positioned within the radial opening in order to prevent oil from entering the axial breather passage when the engine is not in operation. | 01-14-2010 |
20100145595 | SMALL ENGINE OPERATION COMPONENTS - A low pressure, low cost electronic fuel injection system ( | 06-10-2010 |
Nagesh S. Mavinahally, Northridge, CA US
Patent application number | Description | Published |
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20120247435 | STRATIFIED TWO-STROKE ENGINE AND DUAL PASSAGE FUEL SYSTEM - Various embodiments include two-stroke stratified engines and dual passage carburetors for use with gaseous fuel, such as hydrogen, methane, liquid petroleum gas, pure propane, and butane. A stratified air-head engine and low pressure fuel injected engines with fuel only tube is included. | 10-04-2012 |
20120247442 | STRATIFIED TWO-STROKE ENGINE - Various embodiments include two-stroke stratified engines and dual passage carburetors for use with gaseous fuel and liquid fuels. A stratified air-head engine having a simpler intake manifold with a single air pipe for induction of air is included. | 10-04-2012 |
20140202428 | FOUR CYCLE ENGINE CARBURETORS - Various embodiments include engine carburetors. Various embodiments provide for methods of cylinder manufacturing engines. Various embodiments provide for methods of cylinder manufacturing four-stroke engines. Various embodiments provide for methods of cylinder manufacturing two-stroke engines. | 07-24-2014 |
Nagesh S. Mavinahally, Columbus, IN US
Patent application number | Description | Published |
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20110088650 | INTEGRALLY CAST BLOCK AND UPPER CRANKCASE - An integrally cast four-stroke engine mono-block includes integrally cast cylinder block, cylinder head, and portion of a crankcase including crankcase outboard and inboard walls. At least parts of outer and inner bearing bosses are integrally cast with the cylinder block with the inner bearing boss integrally cast in the inboard wall. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. An alternative embodiment of the integrally cast four-stroke engine mono-block includes at least parts of an outer bearing boss and/or an inner bearing boss integrally cast in the outboard and inboard walls respectively with the cast cylinder block. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. Push tube passages or a belt drive passage may be in the valve train chamber. | 04-21-2011 |
Nagesh Siddabasappa Mavinahally, Granada Hills, CA US
Patent application number | Description | Published |
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20150219007 | PISTON AND CYLINDER FOR TWO-STROKE ENGINE - A two-stroke internal combustion engine includes at least one gaseous communication charge passage between a crankcase chamber and a combustion chamber of the engine and a piston to open and close the top end of the transfer passage. The air inlet port to the transfer passage for stratified scavenging is opened and closed by the piston that has passages and cutouts. The charge inlet to the crankcase chamber is opened and closed by the piston. The air inlet passage is substantially asymmetrical to the layout of the transfer passages and are closer to one transfer passage compared to the other. The internal air passage in the piston is substantially parallel to the piston pin and the single air inlet passage is laterally off-set from the air-fuel inlet passage. The transfer passages are cover by plates to make them closed passages having opening at the transfer port in the cylinder and opening in the crankcase chamber for periodical gaseous communication between the crankcase chamber and the combustion chamber. The cover plate is a single piece covering the transfer passage channel along the cylinder and the crankcase. The air channel in the piston is below the piston crown and at least portion is above the piston pin. A spiraling transfer passage in the cylinder cavity is longer than the length of the transfer passage in a conventional stratified two-stroke engine. | 08-06-2015 |
Nagesh Siddabasappa Mavinahally, Northridge, CA US
Patent application number | Description | Published |
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20130263821 | Gaseous Fuel Tank and Power Tool - Various embodiments include a gaseous fueled engine and fuel tank assemblies, in particular the location and attitudes of the fuel tanks. One or more fuel tanks are attached to the power tool. The fuel tank housing has slots for air flow to heat the fuel tank to off-set the drop in fuel temperature due to latent heat of evaporation of liquefied petroleum fuels. Gaseous fuel may include LPG, Butane, LNG, H2, etc. | 10-10-2013 |
20130312698 | MS EXTENDED EXPANSION ENGINE - A four-stroke engine incorporating a camshaft-less cam channel assembly configured to operate intake and exhaust valves in an extended expansion engine, wherein the intake stroke is shorter than the expansion stroke controlled cyclically by the control rod through a triplate during the four-cycles of the engine. When the triplate is made of stamped steel plates or stamped steel plates sandwiched together having holes to lighten the weight and connecting rod and control rod are of stamped steel plates. In another embodiment, a twin cylinder extended expansion engine is constructed having many common parts between the two cylinders. | 11-28-2013 |
20140026842 | INTEGRALLY CAST MOUNTING PLATE - An internal combustion engine having an integral mounting bracket plate and the flywheel housing for mounting the fuel tank. Alternatively, the mounting bracket is integral with the clutch housing. In another embodiment, the fuel tank is mounted on a back pack having a tubular structure and a plate with fins for increasing the surface area of the mounting plate. | 01-30-2014 |
20140123931 | HALF CRANK ENGINE - Various embodiments include a two-stroke engine having mist lubrication system, particularly for use with portable all attitude two-stroke engines using gaseous fuel, such as hydrogen, methane, liquid petroleum gas, pure propane, butane, and liquid fuel. | 05-08-2014 |
Pushpalatha N. Mavinahally, Columbus, IN US
Patent application number | Description | Published |
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20110088650 | INTEGRALLY CAST BLOCK AND UPPER CRANKCASE - An integrally cast four-stroke engine mono-block includes integrally cast cylinder block, cylinder head, and portion of a crankcase including crankcase outboard and inboard walls. At least parts of outer and inner bearing bosses are integrally cast with the cylinder block with the inner bearing boss integrally cast in the inboard wall. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. An alternative embodiment of the integrally cast four-stroke engine mono-block includes at least parts of an outer bearing boss and/or an inner bearing boss integrally cast in the outboard and inboard walls respectively with the cast cylinder block. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. Push tube passages or a belt drive passage may be in the valve train chamber. | 04-21-2011 |
Pushpa Nagesh Mavinahally, Northridge, CA US
Patent application number | Description | Published |
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20110056462 | FOUR CYCLE ENGINE CARBURETORS - Various embodiments provide for methods of cylinder manufacturing engines. Various embodiments provide for methods of cylinder manufacturing four-stroke engines. Various embodiments provide for methods of cylinder manufacturing two-stroke engines. | 03-10-2011 |
20110073064 | INTEGRALLY CAST BLOCK AND GASEOUS FUEL INJECTED GENERATOR ENGINE - An integrally cast four-stroke engine mono-block ( | 03-31-2011 |
20140202428 | FOUR CYCLE ENGINE CARBURETORS - Various embodiments include engine carburetors. Various embodiments provide for methods of cylinder manufacturing engines. Various embodiments provide for methods of cylinder manufacturing four-stroke engines. Various embodiments provide for methods of cylinder manufacturing two-stroke engines. | 07-24-2014 |