Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements
Patents for F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661)
03/1993
03/18/1993WO1993005279A1 Engines rotary valves
03/16/1993US5193492 2-4 cycle change-over engine and its control system
03/09/1993US5191863 Rotary sleeve-valve internal combustion engine
02/1993
02/18/1993WO1993003260A1 Rotary throttle valve and utilisation of said throttle valve for the transfer of a fluid to a combustion chamber of an internal combustion angine
02/02/1993US5183014 Sleeve valve system for internal combustion engine having elliptical path
01/1993
01/21/1993WO1993001402A1 Multicylinder two stroke cycle engine
01/21/1993CA2110581A1 Multicylinder two stroke cycle engine
12/1992
12/16/1992EP0517887A1 Two-stroke engine with delayed cylinder scavenging
10/1992
10/14/1992EP0508508A1 Air supply system for an engine
10/13/1992US5154147 Rotary valve
10/07/1992EP0507648A1 Two-cycle engine with selective control for the charge introduced into the combustion chamber
10/07/1992CN1065122A One-way rotary air gate type internal-combustion engine
10/06/1992US5152259 Cylinder head for internal combustion engine
09/1992
09/23/1992EP0238584B1 Method and device for the control of an exhaust gas circuit of an engine
09/01/1992US5143029 Two cycle internal combustion hydrocycle engine
08/1992
08/20/1992WO1992014044A1 One-cycle engine
07/1992
07/23/1992WO1992012332A1 Two-stroke engine with delayed cylinder scavenging
07/07/1992US5127376 Rotary valve shaft
06/1992
06/25/1992DE4041359A1 Rotary slide in ball zone form for IC engine - controls inlet and exhaust functions and involves two fitted per cylinder head, thus providing four channels
06/25/1992DE4040936A1 Cylinder head for direct injection diesel engine - incorporates rotary slide with combustion chamber
05/1992
05/20/1992EP0486282A1 2-4 Cycle change-over engine and its control system
05/13/1992CN2104300U Gasoline engine
05/12/1992US5111783 Rotary valve system for internal combustion engines
05/05/1992US5109814 Spherical rotary valve
05/05/1992US5109810 Two cycle internal combustion hydrocycle engine
05/05/1992US5109666 Solid fuel combustion device and a compressor
04/1992
04/21/1992US5105784 Rotary valve and system for duration and phase control
04/14/1992US5103778 Rotary cylinder head for barrel type engine
03/1992
03/25/1992CN1016002B Rotary valve internal combustion engine
03/17/1992US5095870 Rotary valve four-cycle engine
03/12/1992DE4116303A1 Mixer chamber IC engine
02/1992
02/20/1992WO1992002711A1 Rotative combustion chamber engine
02/18/1992US5088285 Internal combustion engine
02/13/1992DE4025556A1 Two=stage IC engine - involves unsymmetrical scavenging in stages with air and over stoichiometric fuel-air mixt.
01/1992
01/30/1992DE4023372A1 Double expansion two=stroke diesel IC engine - has compression and expansion chamber of rectangular cross=section
01/23/1992DE4022823A1 Rotating valve IC engine - has infinitely variable regulation of gas admission and exhaust times during operation
01/21/1992US5081966 Internal combustion engine with rotary valve assembly
01/21/1992US5081961 Internal combustion engine with rotary exhaust control
01/14/1992CA2021115A1 Rotational valve
01/08/1992EP0464201A1 Rotary sleeve valve-carrying internal combustion engine
01/02/1992DE4109384A1 Scavenging ring for reciprocating engine - rotates and has opening for passage of operating medium
12/1991
12/26/1991WO1991019889A1 Internal combustion engine and an improved rotary inlet valve for use therewith
12/24/1991US5074265 Rotary valve with facility for stratified combustion in the internal combustion engine
12/18/1991EP0461588A2 Intake apparatus for two cycle engine
12/18/1991EP0461587A2 Motorcycle
12/03/1991CA1292702C Rotary valve with facility for stratified combustion in the internal combustionengine
10/1991
10/31/1991DE4118254A1 High-power reverse-flow-scavenged two-stroke engine - features supercharging by continued admission of air through diaphragm control to scavenging port before fuel injection
10/01/1991US5052349 Rotary valve for internal combustion engine
08/1991
08/20/1991US5040498 Valve arrangement for cylinders of an internal combustion engine
08/14/1991CN2082764U Four-stroke engine distributing valve
08/01/1991DE4028757A1 Two-stroke combustion engine control - using rotary discs adjoining inlet and exhaust ports with phase adjustment by connection to accelerator pedal or electronic circuit
07/1991
07/25/1991WO1991010815A1 Valve for four-cycle engine
07/25/1991WO1991010814A1 Rotary valves
07/09/1991US5029559 Opposed piston engine having fuel inlet through rod controlled piston port
07/04/1991DE3943069A1 Belt-driven rotating drum - controls gas flow through inlet and outlet ports of IC engine
06/1991
06/27/1991WO1991009213A1 A rotor device with pits for the feeding and discharge of endothermic four-stroke engines
06/13/1991DE4027311A1 Rotating ball valve for IC engine - has ball with 90 deg. bend in through-bore sealing against cylinder head
05/1991
05/29/1991DE4039726A1 Controlling ports of two=stroke engine - involves use of electronically or mechanically operated rollers with internal channels
05/29/1991DE3938802A1 Worm drive for rotary valve - is used in IC engine and has tooth path incorporating straight and inclined sections
05/21/1991US5016583 Variable intake and exhaust engine
04/1991
04/24/1991EP0423444A1 Spherical rotary valve assembly for an internal combustion engine
04/10/1991EP0421033A1 Continuous combustion heat engine
04/09/1991US5005543 Intake and exhaust system with a rotating port shaft for four-cycle internal combustion engines
04/02/1991US5003942 For an internal combustion engine
03/1991
03/21/1991WO1991003629A1 Improvements in or relating to i.c. engines
03/19/1991US5000136 Internal combustion engine with rotary valve assembly
02/1991
02/26/1991US4995354 Two-cycle engine
02/21/1991WO1991002144A1 Improved two stoke cycle spark ignition internal combustion engine
02/21/1991WO1991002142A1 Internal combustion engine with rotary valve
02/05/1991US4989576 Internal combustion engine
02/05/1991US4989558 Spherical rotary valve assembly for an internal combustion engine
01/1991
01/30/1991CN1048910A Gravity flow heat engine system
01/24/1991WO1991000953A1 A rotary valve
01/17/1991DE4017819A1 Ball valve controlling gas flow in IC engine cylinder head - has the valve ball to combustion chamber sealing ring sealed in its groove by further flexible seal
01/15/1991CA1279018C Internal combustion engine with rotary combustion chamber
01/03/1991DE4017822A1 Ring seal for body of rotary slide valve - avoids thermal damage by tapping into the cooling system
01/02/1991EP0406078A1 Two-stroke engine with rotating valves and operation of said engine
12/1990
12/27/1990EP0256046B1 Rotary valve for internal combustion engines
12/11/1990US4976232 Valve seal for rotary valve engine
12/11/1990US4976227 Internal combustion engine intake and exhaust valve control apparatus
11/1990
11/21/1990CN1010495B Internal combustion engine
11/13/1990US4969918 Rotary valve operating mechanism
10/1990
10/31/1990DE4012499A1 Scavenging of two-stroke IC engine - by pump and two synchronised rotary valves
10/02/1990US4960086 Rotary valve construction utilizing a compressed gas as lubricant and coolant
09/1990
09/27/1990DE3908411A1 Control shaft replaces valve timing on 4-stroke engines, thus permitting the construction of the entire engine from one unit
09/04/1990US4953527 Spherical rotary valve assembly for an internal combustion engine
08/1990
08/30/1990DE3905903A1 Two-stroke engine, particularly for driving motor vehicles
08/21/1990US4949686 Sealing element for a rotary timing system of internal-combustion engines
08/21/1990US4949685 Internal combustion engine with rotary valves
08/01/1990EP0250497B1 Two-stroke cycle engine
07/1990
07/31/1990US4944262 Rotative combustion chamber engine
07/31/1990US4944261 Spherical rotary valve assembly for an internal combustion engine
07/25/1990CN2059682U Ic engine with adjustable fan rotary valve
07/11/1990EP0377033A1 Valve driving mechanism for internal combustion engines
06/1990
06/21/1990DE3841839A1 Valve arrangement
06/21/1990DE3841786A1 Cylinder head with control disc for axial rotary engines with static cylinders operating on the spark-ignition principle
05/1990
05/23/1990EP0369461A1 Internal-combustion engine with at least one rotary valve per cylinder
05/23/1990EP0369099A1 Spherical rotary valve assembly for an internal combustion engine
05/23/1990DE3838796A1 Rotation control system for the charge cycle in engines working on the 4-stroke principle
05/22/1990US4926809 Internal combustion engine with rotary valve
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