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    • 6. 发明授权
    • Exhaust power recovery system
    • US06502398B2
    • 2003-01-07
    • US09761206
    • 2001-01-16
    • Davorin D. Kapich
    • Davorin D. Kapich
    • F02B3344
    • F02G5/02F01D1/14F01D15/08F02B37/10F02B39/08F02B39/14F02B41/10F02C3/04Y02T10/144Y02T10/163Y02T10/166
    • An exhaust power recovery system for internal combustion engines. The engine exhaust gases drive a gas turbine that in turn drives a hydraulic turbine pump pressurizing a hydraulic fluid which then in turn is the driving source for a hydraulic motor which transmits power to the engine shaft. In a preferred embodiment for a turbocharged engine, the hydraulic fluid is also used as the drive fluid in a hydraulic supercharger system that provides additional supercharging at low engine speeds to supplement the exhaust driven turbocharging system. In this embodiment the pressurized hydraulic fluid for driving the supercharger hydraulic turbine is provided by a pump driven by the engine shaft. A hydraulic fluid control system is provided to match compressed air flow with engine needs. In this preferred embodiment more than enough energy is recovered from the exhaust gasses by the exhaust power recovery system to operate the hydraulic supercharger system. The horsepower of a 280 horsepower turbocharged diesel engine is increased by about 20 percent to about 335 horsepower. As to fuel efficiency, Applicant estimates that a cross country diesel truck operating 12 hours per day, 300 days per year will save between 6,000 and 10,000 pounds of fuel per year with substantial reductions in emitted pollutants.
    • 7. 发明申请
    • Exhaust power recovery system
    • 排气功率回收系统
    • US20020157397A1
    • 2002-10-31
    • US10136195
    • 2002-04-29
    • Davorin D. Kapich
    • F02B033/44
    • F01D1/14F01D15/08F02B37/10F02B39/08F02B39/14F02B41/10F02C3/04F02G5/02Y02T10/144Y02T10/163Y02T10/166
    • An exhaust power recovery system for internal combustion engines. The engine exhaust gases drive a gas turbine that in turn drives a hydraulic turbine pump pressurizing a hydraulic fluid which then in turn is the driving source for a hydraulic motor which transmits power to the engine shaft. In a preferred embodiment the engine exhaust gases drive a gas turbine with pivotable stator vanes that in turn drives a hydraulic pump pressurizing hydraulic fluid which than in turn is the driving source for a hydraulic motor which transmits power to the engine shaft. The pivotable stator vanes function as an efficient variable nozzle providing precise gas turbine control and improved exhaust energy utilization over a wide range of engine operating conditions. Various embodiments of the present invention make it applicable to a wide range of engines. For high power density engines such as 20 kW/Liter and higher, the engine supercharging system is configured as a combination of hydraulic supercharger in series with turbocharger, such as in the previous invention. For low power density engines as 20 kW/Liter and lower, the supercharging system is configured with either a hybrid supercharger/turbocharger unit such as described in my U.S. Pat. No. 5,924,286 or with a standard commercial turbocharger.
    • 一种用于内燃机的废气回收系统。 发动机废气驱动燃气轮机,该燃气轮机又驱动液压涡轮泵,该液压涡轮泵对液压流体加压,液压流体又是用于向发动机轴传递动力的液压马达的驱动源。 在优选实施例中,发动机废气驱动具有可枢转定子叶片的燃气轮机,该定子叶片又驱动液压泵加压液压流体,而液压泵又是用于向发动机轴传递动力的液压马达的驱动源。 可枢转的定子叶片用作提供精确的燃气轮机控制的有效的可变喷嘴,并且在广泛的发动机操作条件下提高排气能量利用率。 本发明的各种实施例使其适用于多种发动机。 对于诸如20kW /升以上的高功率密度发动机,发动机增压系统被配置为与先前发明中的涡轮增压器串联的液压增压器的组合。 对于20 kW / L以下的低功率密度发动机,增压系统配置有混合增压器/涡轮增压器单元,如我在美国专利中所述。 5,924,286号或标准商用涡轮增压器。
    • 8. 发明申请
    • Exhaust power recovery system
    • 排气功率回收系统
    • US20020124566A1
    • 2002-09-12
    • US09761206
    • 2001-01-16
    • Davorin D. Kapich
    • F02B033/44
    • F02G5/02F01D1/14F01D15/08F02B37/10F02B39/08F02B39/14F02B41/10F02C3/04Y02T10/144Y02T10/163Y02T10/166
    • An exhaust power recovery system for internal combustion engines. The engine exhaust gases drive a gas turbine that in turn drives a hydraulic turbine pump pressurizing a hydraulic fluid which then in turn is the driving source for a hydraulic motor which transmits power to the engine shaft. In a preferred embodiment for a turbocharged engine, the hydraulic fluid is also used as the drive fluid in a hydraulic supercharger system that provides additional supercharging at low engine speeds to supplement the exhaust driven turbocharging system. In this embodiment the pressurized hydraulic fluid for driving the supercharger hydraulic turbine is provided by a pump driven by the engine shaft. A hydraulic fluid control system is provided to match compressed air flow with engine needs. In this preferred embodiment more than enough energy is recovered from the exhaust gasses by the exhaust power recovery system to operate the hydraulic supercharger system. The horsepower of a 280 horsepower turbocharged diesel engine is increased by about 20 percent to about 335 horsepower. As to fuel efficiency, Applicant estimates that a cross country diesel truck operating 12 hours per day, 300 days per year will save between 6,000 and 10,000 pounds of fuel per year with substantial reductions in emitted pollutants.
    • 一种用于内燃机的废气回收系统。 发动机废气驱动燃气轮机,该燃气轮机又驱动液压涡轮泵,该液压涡轮泵对液压流体加压,液压流体又是用于向发动机轴传递动力的液压马达的驱动源。 在用于涡轮增压发动机的优选实施例中,液压流体还用作液压增压器系统中的驱动流体,其在低发动机速度下提供额外的增压以补充排气驱动的涡轮增压系统。 在该实施例中,用于驱动增压器水轮机的加压液压流体由由发动机轴驱动的泵提供。 提供液压流体控制系统,以配合压缩空气流与发动机的需要。 在该优选实施例中,由排气功率回收系统从废气中回收的能量足够多,以操作液压增压器系统。 280马力涡轮增压柴油发动机的马力增加约20%至约335马力。 关于燃油效率,申请人估计,每天运行12小时,每年300天的越野柴油卡车每年可节省6 000至1万磅燃料,大幅减少排放污染物。
    • 9. 发明授权
    • Cross-flow turbine machine
    • 横流涡轮机
    • US4279569A
    • 1981-07-21
    • US85267
    • 1979-10-16
    • Gary J. Harloff
    • Gary J. Harloff
    • F01D1/14F03D3/04
    • F03D3/0463F01D1/14F05B2210/16Y02E10/74
    • The cross-flow turbine machine provides shaft power by extracting energy from a moving fluid. The fluid comprises both liquids and gases. Fluid is guided into the rotor by inlet guide means. The fluid then flows through the first rotor, through the interior, through the second rotor, through the exit, and through the diffuser to exit the machine at ambient pressure. Due to the change in angular momentum of the fluid across the turbine rotor, a torque is applied to the output power shaft. The output power shaft can be used, for example, to drive a water pump, an electric generator, or a compressor.
    • 横流涡轮机通过从移动流体中提取能量来提供轴功率。 流体包括液体和气体。 流体通过入口引导装置被引导到转子中。 然后,流体通过第一转子,通过内部,穿过第二转子,通过出口流过第一转子,并通过扩散器在环境压力下离开机器。 由于跨过涡轮机转子的流体的角动量的变化,扭矩被施加到输出功率轴。 输出动力轴可以用于例如驱动水泵,发电机或压缩机。