Patents Examined by Michael Koozo
  • Patent number: 4825839
    Abstract: A drive system especially for motor vehicles and the like, with a conventional internal combustion engine, having at least planetary gearing and a mechanism for the mechanical boosting of the engine, comprising a compressor with displacement effect, a forwardly disposed low pressure chamber and rearwardly disposed high pressure chamber, which are connected together by return-flow ducts and throttle valves. Power transmission, speed change and engine boosting are controlled in running operation by throttling the air flow, in which respect the compressor, driving by way of a system-specific distributor gear, transmits power back to the distributor gear as a reaction element and thus forcibly influences the drive torque or speed of rotation of the power take-off shaft, while on the other hand as a compressor it provides charging air, stationary low pressure in the intake-side of the low pressure chamber makes possible an autonomous cooling of the system.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: May 2, 1989
    Inventor: Gunter Mehnert
  • Patent number: 4815282
    Abstract: A turbocharged, compounded cycle ducted fan engine system includes a conventional internal combustion engine drivingly connected to a fan enclosed in a duct. The fan provides propulsive thrust by accelerating air through the duct and out an exhaust nozzle. A turbocharger is disposed in the duct and out an exhaust nozzle. A turbocharger is disposed in the duct and receives a portion of the air compressed by the fan. The turbocharger compressor further pressurizes the air and directs it to the internal combustion engine where it is burned and exits as exhaust gas to drive the turbine. A power turbine also driven by exhaust gas is also drivingly connected through the engine to the fan to provide additional power. The size and weight of the turbocharger are reduced since the compressor's work is partially achieved by the compression effect of the fan. The total propulsive thrust includes the fan generated thrust which bypasses the turbocharger and the thrust of exhaust gases exiting the turbine.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: March 28, 1989
    Assignee: Teledyne Industries, Inc.
    Inventors: Ronald Wilkinson, Ralph Benway
  • Patent number: 4807439
    Abstract: An exhaust gas system with a silencer for an internal combustion engine supercharged by a turbocharger includes a main line leading to the turbine of the turbocharger and a bypass line bypassing the turbine. The main line and the bypass line terminate in the silencer aligned to one another in such a manner that the exhaust gas flow of the main line exerts an ejector action on the exhaust gas flow of the bypass line.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: February 28, 1989
    Assignee: Dr. Ing. h.c.F. Porsche AG
    Inventors: Klaus Hain, Klaus-Peter Bessing, Claus Bruestle
  • Patent number: 4800863
    Abstract: An internal combustion engine is provided with a mechanically operated supercharger in kinematic connection with a crankshaft the engine. The engine is provided with a system for controlling the effect of supercharger, such as a by-pass control valve. A timer is provided for detecting a predetermined short period after the engine is switched to an acceleration condition from the preceding deceleration condition with a fuel-cut, or after a moderate acceleration has begun. The system for controlling the effect of the supercharging is so controlled that the effect of supercharging is weakened during that period.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: January 31, 1989
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hideo Miyagi, Fumiaki Ohya, Koji Fukushima, Shin Adachi
  • Patent number: 4799868
    Abstract: A compressor/pump engine (10) is provided which includes a wall (12) defining a toroidal cylinder (22). A pair of flywheels (36 and 38) are mounted for rotating with respect to said cylinder (22) on a central axis thereof and with respect to each other. Each of the flywheels carry at least a pair of pistons (50) mounted at selected locations, and preferably 180 degrees apart. These pistons (50) cooperate to define compressing/pumping and inlet chambers during rotation of the flywheels. A fluid for compressing/pumping is admitted into the inlet chambers and then removed from the compressing/pumping chambers during operation. A device (70) is also provided to control the speed of revolution of the pistons during the compressing/pumping cycling such that the compression/pumping and inlet chambers are defined at selected locations during a cycle of the compressor/pump.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: January 24, 1989
    Inventor: Clifford E. Wilson
  • Patent number: 4791538
    Abstract: Three cylinders containing a combustible gas under pressure are interchangeably attached to a lantern supporting stanchion to serve as a tripod stand for the lantern and provide a source of fuel for the lantern from one of the locations of attachment.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: December 13, 1988
    Inventor: John D. Prest
  • Patent number: 4781028
    Abstract: A diesel engine, in particular an aircraft engine with an exhaust gas turbocharger, which comprises a compressor and a turbine, wherein for the engine (1) a compressed air starter (20), for the engine (1), is provided whose exhaust air (31, 31') is directed via the turbocharger (4) into the combustion chamber of the engine (1).
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: November 1, 1988
    Inventor: Michael Zoche
  • Patent number: 4738235
    Abstract: A rotary engine has a first ring-shaped floor portion connected to an inner shaft for rotation therewith and a second ring-shaped floor portion connected to an outer shaft for rotation therewith. The annular floor portions cooperate with an engine casing to define an annular chamber. A first pair of diametrically aligned pistons are positioned within the annular chamber and are connected to the first ring-shaped floor portion while a second pair of diametrically aligned pistons are positioned within the angular chamber and connected to the second ring-shaped floor portion. The pistons cooperate to define a plurality of combustion chambers. Means are provided for causing combustion in the combustion chambers for imparting rotary motion to the inner and outer shafts.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: April 19, 1988
    Assignee: Raincor, Inc.
    Inventor: Eleuterio P. Silvoza
  • Patent number: 4732003
    Abstract: A turbocharger including an exhaust turbine and a compressor is controlled using a variable geometry apparatus at the inlet of the exhaust turbine and an exhaust bypass valve bypassing the exhaust turbine. Operating conditions of the engine driven by the turbocharger are detected as is the supercharging pressure produced by the compressor. A deviation between the detected supercharging pressure and a target supercharging pressure is calculated and integrated. A controlled variable is calculated for actuating at least one of the variable geometry apparatus and the exhaust bypass valve based on the operating conditions and a learned value. Feedback control is used to correct the controlled variable in accordance with the integrated value of the deviation. A determination is made as to an operating range in which feedback control is to be performed and the learning amount is calculated in accordance with the result of the operating range determination and the integrated value of the deviation.
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: March 22, 1988
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takashi Ueno, Toshimi Abo, Katsunori Miyamura
  • Patent number: 4696268
    Abstract: A rotary piston machine consisting of several circular, axially in series, on a shaft mounted, piston rotors, each piston rotor having a piston running along an associated, stationary working chamber wall of a circular cylindrical working chamber and being in mating engagement wich a recess in at least one shut-off rotor in rolling contact with the piston rotor, and, wherein the shafts of the piston rotor and the shut-off rotor are coupled to each other by means of coupling gears, and in which the gaseous high-expanded and combustible medium is admitted to and discharged from the respective working chamber by one or more rotary valve rotating with said shaft. The rotary piston machine as a combustion steam motor operates such that, after ignition of the combustible operating medium, water is injected into the working chamber by means of one or more injection nozzles distributed around the inner circumference of said working chamber wall.
    Type: Grant
    Filed: June 13, 1985
    Date of Patent: September 29, 1987
    Inventor: Otto Zimmermann
  • Patent number: 4663936
    Abstract: A load sensing priority flow control system is disclosed of the type including an engine-driven pump (11), a load sensing priority flow control valve (15), a priority load circuit (steering control valve (17) and steering cylinder (21)), and an auxiliary load circuit (19). Disposed between the excess flow output port (45) of the priority valve and the auxiliary load circuit (19) is a bypass valve arrangement (55) including a bypass valve member (57) which is biased by a downstream pressure signal (61) and spring (63) to a first position in which the auxiliary load circuit is communicated to the reservoir, to prevent loading the system and stalling the engine when the engine speed and flow from the excess flow port (45) are below a predetermined minimum. As engine speed and flow from the port (45) increase, an upstream pressure signal (59) biases the bypass valve toward a second position in which the auxiliary load circuit is blocked from communication with the reservoir, and can be pressurized and actuated.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: May 12, 1987
    Assignee: Eaton Corporation
    Inventor: David F. Morgan
  • Patent number: 4658798
    Abstract: A turbocharger control system utilized in a carburetor system including a carburetor having an air-fuel induction passage, a fuel supply passage supplying fuel to the air-fuel induction passage, and a turbocharger having a compressor impeller compressing an air-fuel mixture flow delivered to an engine intake manifold. The control system includes an air control valve which is positioned between a surge tank in the intake manifold and an air induction passage connected with the fuel supply passage and which controls an air bleeding amount supplied to the air induction passage in response to changes in pressure of the surge tank.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: April 21, 1987
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Kenji Yogo, Isshi Nomura
  • Patent number: 4656992
    Abstract: A by-pass control system for an internal combustion engine provided with a mechanical supercharger arranged in an intake pipe of the engine. The supercharger is connected to a crankshaft by means of a clutch operated in accordance with the engine load as well as the engine speed. A by-pass is arranged so as to by-pass the supercharger, on which by-pass a by-pass control valve is arranged. The by-pass control valve is operated in accordance with the engine speed, so that it is opened during an engine low load and high speed condition. The supercharger is located downstream of the throttle valve, while the by-pass is, on its downstream end, connected to the intake pipe downstream of the throttle valve and upstream of the supercharger.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: April 14, 1987
    Assignee: Toyota Jidosha Kabushi Kaisha
    Inventors: Hidemi Oonaka, Toyokazu Baika, Yoshiaki Shibata, Kingo Horii, Yasushi Sato, Tomojiro Akiyama
  • Patent number: 4617886
    Abstract: Disclosed is a rotary internal combustion engine having a generally circular geometry in vertical cross section. The engine's rotor is circular, and it is disposed in a housing in two portions, each portion being a section of a different circle, the circles being offset along the engine's vertical centerline. One of these circles is identical in center and radius as the rotor. The other, owing to the displacement between its center and the center of rotation of the rotor, has a gap between it and the rotor. The engine's crank shaft rotates about an axis passing through the center of this second circle. The rotor has a plurality of radially extending holes connected by connecting rods from the crank shaft, each connecting rod having attached to it a sealing means making the holes effective as combustion chambers. This improved engine is unique in the design of the individual combustion chambers and pistons which undergo reciprocal movement within said chambers.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: October 21, 1986
    Inventor: Stanley R. Mach
  • Patent number: 4489702
    Abstract: A control system is provided for a supercharged diesel engine to control engine air inflow in response to an operator-selected fuel flow and in accordance with a predetermined air-fuel ratio schedule chosen for minimizing undesirable exhaust emissions throughout a broad range of engine operating conditions. The control system includes a force-biased relief valve for adjusting engine air inflow, wherein the relief valve is movably responsive to the pressure of air supplied to the engine and the force-bias is controlled in accordance with engine fuel flow.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: December 25, 1984
    Assignee: The Garrett Corporation
    Inventors: Robert L. Cholvin, Charles E. McInerney, James N. Nancarrow, Jack L. Gantz
  • Patent number: 4476842
    Abstract: An engine intercooler has an inlet passage receiving heated air from the turbocharger, an intercooler core and a plurality of outlet passages directing air to the engine cylinders. The housing of the intercooler is divided by the core into a plenum chamber for receiving air and an air intake chamber delivering air to the engine cylinders by way of the outlet passages. The core is supported at its opposite ends and is also supported by a perforated intermediate support plate which includes a pair of deflector surfaces directing incoming air in opposite directions to aid in distributing air evenly through all portions of the intercooler core.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: October 16, 1984
    Assignee: Allis-Chalmers Corporation
    Inventor: James F. Belsanti
  • Patent number: 4464902
    Abstract: The twin exhaust-gas-powered turbines (9, 10) driving intake air compressors (1, 2) for an internal-combustion engine are connected together and mounted on central support brackets (47, 48) by a common turbine discharge housing (20) that deflects the discharge of each turbine separately towards an outlet funnel (24) with the help of a guiding structure that contains a median wall (33). Diffuser horns (31, 32) and hollow central plugs provide, in a short axial distance, for establishing a static pressure for causing the gas to flow with uniform pressure distribution out through the discharge funnel (24). The latter portion of the outflow path is enlarged by side pieces (26, 27) fitting over holes in the central piece (20) of the discharge casing through which the diffuser horns (31, 32) protrude with ample spacing from other components.
    Type: Grant
    Filed: March 2, 1982
    Date of Patent: August 14, 1984
    Assignee: M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
    Inventors: Hans Mendle, Rudolf Bandel, Hanns-Gunther Bozung
  • Patent number: 4461149
    Abstract: A supercharger control system for the internal combustion engine comprising a supercharger for applying a supercharge pressure to the engine by driving a compressor with a turbine rotated by the energy of the exhaust gas, and an exhaust gas bypass valve for regulating the amount of the exhaust gas supplied to the turbine. A factor related to the engine combustion state such as a knocking condition is detected, and a signal representing the condition is generated. At least one output pressure produced from the compressor is modified in accordance with the above-mentioned signal. The pressure thus modified is used for adjusting the opening of the exhaust gas bypass valve thereby to control the supercharge pressure.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: July 24, 1984
    Assignee: Hitachi, Ltd.
    Inventor: Satoshi Suzuki
  • Patent number: 4442673
    Abstract: An engine including at least one set of three cylinders. Two of the cylinders function as internal combustion cylinders and the remaining cylinder functions as an air compressor. The air is injected into the exhaust manifold of the combustion cylinders. The combustion products are fed to a steam generator, the steam being utilized to produce work in a steam engine or turbine. The supply water for the steam generator is in heat exchange relationship with the engine cooling liquid. The compressor intake air is in heat exchange relationship with the engine lubricating liquid.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: April 17, 1984
    Assignee: Juanita J. Haworth
    Inventor: Floy Haworth
  • Patent number: 4424675
    Abstract: A control system for a turbocharger of an internal combustion engine, with the control system adapted to control a turbocharger having a turbine bypass valve in dependence upon a differential pressure between a turbo charging pressure supplied to a first pressure chamber and an atmospheric pressure supplied to a second pressure chamber. A pressure detecting device detects the turbocharging pressure, and pressure control valves shift the atmospheric pressure into the first pressure chamber of the pressure device and the pressure existing between a throttle valve of the engine and the compressor of the turbocharger in the second pressure chamber thereof, when the turbocharging pressure is less than a preset value.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: January 10, 1984
    Assignee: Hitachi, Ltd.
    Inventor: Kazuo Ojima