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Match Document Document Title
6886548 Internal combustion engine  
An internal combustion engine having a cylinder and a piston movable in the cylinder, the cylinder and piston defining a combustion chamber enclosed by the cylinder and the piston, a surface of at...
6863049 Auxiliary valve for the intake passageway of an internal combustion engine  
An auxiliary valve positioned in an intake passageway of a four-cycle internal combustion engine for controlling the flow of air/fuel mixture into a combustion chamber includes a through passage,...
5771852 Poppet valve with embossed neck structure  
A poppet valve (10) has a disk-shaped head (12), an elongated stem (16), and a tapered neck (24) between the head (12) and the stem (16). The neck (24) has an outer surface (32) with an undulating...
5709183 Shroud and combustion chamber for an internal combustion engine  
The present invention provides an internal combustion engine combustion chamber with at least one shrouded exhaust valve. The combustion chamber is partially defined by a cylinder head having an...
5617835 Inlet valve for a combustion space of an internal combustion engine  
In known inlet valves, condensation of the fuel, which is precipitated in the form of a wall film, occurs at the inlet valve, in particular when the internal combustion engine is in the cold state....
5529036 Rotatable shrouded valve for improving a scavenging of 2-stroke engine  
This invention relates to a scavenging shroud mechanism for improving scavenging of a 2-stroke engine, and more particularly to a scavenging shroud mechanism for improving scavenging of a 2-stroke...
5485815 Poppet valve device  
A poppet valve comprises a valve stem and a valve head which is provided at one end of the valve stem. A plurality of arcuate fins are provided on the surface of the valve head. Two semicylindrical...
5370098 Air intake system for gas fueled engine  
A number of embodiments of gaseous fueled internal combustion engines having induction systems that include charging augmentation means for altering the charging character of the induction system...
5301640 Engine valve  
An engine valve includes a valve head having a helical top wall arranged to enhance turbulence in an associated combustion chamber of an internal combustion engine to enhance mixing and effective...
5230310 Combustion chamber of internal combustion engine  
An engine combustion chamber has a protruding wall disposed around a part of each valve seat of either an intake port or an exhaust port. The protruding wall extends in a direction in which a valve...
5099808 Direct injection diesel engine induction system having vortical flow inducing induction valve  
An induction valve of a direct fuel injection diesel engine has helical flow director flanges formed on the upstream side for directing the inducted air into a vortical flow within the combustion...
5020486 Partitioned poppet valve mechanism seprating inlet and exhaust tracts  
A valve mechanism for a reciprocating piston internal combustion engine having one large poppet valve per cylinder communicating with both inlet and exhaust tracts. A partition between the inlet...
4829952 Poppet valve lash cap assembly  
A means of providing a lash cap for the poppet valve of an internal combustion engine. The lash cap is positively retained on the distal end of the valve stem by retaining an annular projection on...
4756281 Method, and a valving arrangement, for improving air-fuel mixing  
The method comprises a couple of features: (a) late closing of an air intake valve (for a cylinder) to induce a high-velocity, air injection just before closure, and (b) admitting fuel gas into the...
4744340 Vortex generator intake valve and system of using the same  
An intake valve for use in an internal combustion engine has a plurality of impellers rigidly attached to its inlet side and oriented to optimize the vaporization and homogenity of fuel within the...
4688527 Ceramic valve guide and seat  
For inclusion within a cast metal cylinder head for an internal combustion engine, a ceramic valve seating and stem supporting integral device for supporting and sealingly interacting with a...
4671218 Two stroke engine with deflector valve  
Two stroke gasoline spark ignition supercharged engine wherein air scavenging takes place without loss of fuel and full charge of air and fuel at optimum combustion ratio takes place for each power...
4643142 Squish control engine  
Squish control is provided in an internal combustion engine such as a diesel engine by providing in a preferred embodiment arcuate dams on the inner faces of rotatable intake and exhaust valves or...
4574754 Stratified charge combustion system and method for gaseous fuel internal combustion engines  
A stratified charge combustion system is disclosed for use in a gaseous fuel internal combustion engine. The stratified charge combustion system comprises a combustion chamber, an ignition source...
4539954 Selective asymmetric swirl intake port  
Cylinder intake charge swirl is accentuated by selectively directing flow past swirl generating vanes in the intake port which are closest to the cylinder wall and reducing the flow past swirl...
4432312 Engine intake port with variable swirl vanes  
Adjustable swirl developing vane means are provided in the outlet end portions of the intake ports of an internal combustion engine adjacent the intake valve heads to provide variable swirl of...
4428336 Inlet valve assembly for internal combustion engines  
The invention provides an improved inlet valve assembly for use in internal combustion engines. Gas distribution mechanism are provided to divide the gas passing between the valve and the valve...
4362134 Shielded valve  
A shielded poppet valve (10) for a diesel engine is disclosed. In one embodiment the valve includes a fillet heat shield (12) which is fixed at one end (22) to the valve stem (20) to define a...
4355604 Shrouded valve for internal combustion engine  
A 360° shrouded intake valve for use with an internal combustion engine having an intake valve located between a charge induction passage and a combustion chamber of the engine. The shroud is in...
4320725 Puffing swirler  
A puffing swirler for use in an internal combustion engine. The puffing swirler causes the air and vaporized fuel mixture to have a controlled high velocity swirling action within the piston...
4309969 Induction system with high-swirl intake valve  
An induction system for an internal combustion engine includes an intake port in the cylinder head of the engine with this intake port having a straight cylindrical wall portion terminating at an...
4307687 Internal combustion engines  
Each pair of piston and cylinders is twinned so that one acts as a primary or master piston and cylinder and the other as a secondary piston and cylinder. The pistons move in unison through the...
4290396 Heat conducting shield for cylinder heads of internal combustion engines  
Heat conducting shield member for cylinder heads of internal combustion engines having at least two gas change ports with valve seat rings at their combustion chamber end, with the valve bridge...
4201162 Aluminum valve spring retainer  
Serious racers strive to squeeze as many revolutions per minute as possible out of their engines. They often use exotic metals like titanium in efforts to minimize the weight of some reciprocating...
4180030 Valve lock assembly  
A device for attaching a valve stem to a valve spring retainer. The device includes two wedge-like key members for wedgably locking the valve spring retainer to the valve stem. Each key member has...
4137886 Air intake system for an internal combustion engine  
An air intake system for an internal combustion engine, particularly for a diesel engine containing a cylinder having a combustion chamber therein, is disclosed. The system comprises a...
4094277 Intake valve mechanism for preventing back flow of exhaust gas  
The intake valve mechanism employs a back-flow valve to prevent undesirable back-flow of gases from a combustion chamber of an internal combustion engine out an intake port of the chamber during a...
4058091 Internal combustion engine of a lean air-fuel mixture combustion type  
An internal combustion engine of a lean air-fuel mixture combustion type comprising a valve guide and an intake valve supported by the valve guide. A pumping chamber is formed between the inner...
4015577 Reciprocable piston internal combustion engine, especially diesel engine  
A reciprocable piston internal combustion engine, especially diesel engine, with an air guiding passage leading to a combustion chamber for combustion air to be conveyed by the air feeding passage....
3995609 Internal combustion engine fuel control arrangement  
An internal combustion engine having an air flow sensitive fuel sink-distribution-source arrangement that intercepts the liquid fuel film on the intake passage wall adjacent the intake port entry...
3987769 Jet ignition engine with valve-carried ignition chamber  
A jet ignition internal combustion engine of the type provided with separate induction passages for lean and rich air-fuel mixtures wherein the main inlet valve mounts a cup like member forming an...
3938484 Valve stem retainer  
A valve stem retainer provides improved frictional engagement between the retainer segments and the valve stem. The retainer includes a pair of retainer lock segments, each of the segments having a...
3933142 Internal combustion engine, particularly a diesel engine  
An internal combustion engine, in particular a Diesel engine, comprising at least one inlet duct consisting of a delivery portion and an adjoining duct portion wound spiral-fashion around the shaft...
3927655 Structure of the combination chamber of internal combustion engines  
The structure of a combustion chamber of an internal combustion engine wherein a part of the inner wall of the cylinder head forming a peripheral portion of an intake port is extended to form a dam...
3903855 Auxiliary intake valve  
An intake valve structure for use in an internal combustion engine wherein a conventional intake poppet valve operable in the normal manner slidably carries an auxiliary intake valve in the form of...
3884209 INLET PORT FOR INTERNAL COMBUSTION ENGINES  
A cylinder head structure for internal combustion engines, comprising at least one inlet valve having a valve stem, a valve seat for the valve, an inlet duct having an elongated feed portion...
3882834 Valve lash adjuster  
An adjuster is provided for setting lash between an engine valve and an associated rocker arm, disposed under an engine valve cover. A portion of the adjuster extends through a passage defined by...
3868940 INLET PORT FOR INTERNAL COMBUSTION ENGINES, IN PARTICULAR FOR DIESEL ENGINES  
An inlet port for internal combustion engines for the production of a rotational flow in the cylinder, comprising a spiral-shaped annular chamber arranged above the intake valve, wound around the...
3786797 VALVE SPRING RETAINER LOCKS AND METHOD OF ASSEMBLING ON A VALVE STEM  
An externally tapered valve spring retainer lock is formed of multiple segments, preferably three in number, which have external circumferential grooves in circumferential alignment to accommodate...
3779217 DEVICE FOR INTERLINKING THE UPPER SPRING-CAPS OF TWO MUTUALLY ADJACENT INTERNAL-COMBUSTION-ENGINE VALVES  
Device for interlinking the upper spring-caps of two mutually adjacent internal-combustion-engine valves comprising a tension spring or resilient element, the mutually opposite ends of which are...
3774581 COMBINATION POPPET AND REED VALVE  
A combination poppet and reed valve consisting of a poppet valve with a flat-type head having a plurality of inlet apertures therethrough normally closed by a reed valve element.
3757757 INTERNAL-COMBUSTION ENGINE INTAKE-VALVE PROVIDED WITH A DEFLECTOR PLATE  
An intake valve for an internal-combustion engine, especially a four-stroke engine, which comprises an arcuate deflector plate located on the collar of the said valve, said deflector plate being...
3102524 Valve assembly for internal combustion engines  
3090370 Combustion engine valve  
2988080 Valve  
Matches 1 - 50 out of 55 1 2 >