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    • 4. 发明申请
    • ANAEROBIC DIGESTER SYSTEM FOR ANIMAL WASTE STABILIZATION AND BIOGAS RECOVERY
    • 用于动物废物稳定和生物恢复的厌氧消化系统
    • WO2007130513A8
    • 2008-12-11
    • PCT/US2007010733
    • 2007-05-03
    • US ENVIRONMENT
    • ROOS KURT FREDRICH
    • C02F3/30C02F3/00
    • C12M21/04A01C3/023C02F11/04C12M23/14C12M23/34C12M23/52Y02E50/343Y02W10/23Y10S210/916
    • An ambient anaerobic digester system for anaerobic digestion of animal waste with biogas production and recovery is provided. The anaerobic digester system includes a substantially flexible bladder for anaerobically digesting the animal waste with biogas production and transmitting the biogas to at least one biogas storage container, biogas use device or a combination thereof, hi a preferred form, the substantially flexible bladder has a waste inlet, a digester effluent outlet, one or more sludge access ports and a biogas outlet in a top surface thereof. The anaerobic digester system may inexpensively, simply, reliably, and effectively be used to treat animal waste without energy expenditure and little capital expense, thus minimizing pollution typically caused by animal waste.
    • 提供了一种环境厌氧消化器系统,用于厌氧消化动物废物与沼气生产和回收。 厌氧消化器系统包括基本上柔性的气囊,用于通过生物气生产厌氧地消化动物废物,并将沼气传送到至少一个沼气储存容器,沼气使用装置或其组合。在优选形式中,基本上柔性的气囊具有废物 入口,蒸煮器出口出口,一个或多个污泥进入口和其上表面中的沼气出口。 厌氧消化器系统可以廉价,简单,可靠地且有效地用于处理动物废物而不需要能量消耗和少量的资本费用,从而最小化通常由动物废物引起的污染。
    • 8. 发明申请
    • METHODS FOR SAFE OPERATION OF HYDRAULIC HYBRID VEHICLES WITH OVER-CENTER PUMP/MOTORS
    • 液压混合动力车用中央泵/电机的安全运行方法
    • WO2011133344A3
    • 2012-04-05
    • PCT/US2011031806
    • 2011-04-08
    • US ENVIRONMENTGRAY CHARLES L
    • GRAY CHARLES L
    • B60W10/30B60K6/22B60W20/00
    • B60K6/12B60W10/04B60W10/06B60W50/038F15B1/024F15B1/033F15B20/002F15B20/004F15B20/008F15B2211/20553F15B2211/212F15B2211/8626F15B2211/87F15B2211/8752F15B2211/8755F16H61/4192F16H61/421F16H61/439Y02T10/6208Y02T10/6282
    • Fail-safe methods for utilizing an over-center pump/motor in a hydraulic hybrid vehicle are disclosed. A high-pressure fluid shutoff valve and an optional electrically or manually operated valve are additionally provided as means to ensure disconnection of the high pressure source in the event of a failure. Displacement stroke position and pressure differentials across the pump/motor are continually monitored. On detection of various modes of failure or irregularity in control of displacement, actions are taken including any of: the high pressure and low pressure accumulators are shut off automatically or manually, a check valve between the high and low pressure ports of the pump/motor is activated, and a small amount of pressurized fluid is released from the high pressure circuit to depressurize the captive fluid. Safe startup and shutdown procedures are also specified. The system provides for safe operation of a hydraulic hybrid vehicle that includes an engine pump and drive motor, at least one of which operates over-center. The system optionally provides a displacement control valve that is controlled by feedback from an actuator or displacement position sensor and that on loss of electric power to the displacement control valve will cause the controlled pump/motor to stroke to a zero displacement position.
    • 公开了在液压混合动力车辆中利用超中心泵/马达的故障安全方法。 另外提供高压流体截止阀和可选的电动或手动操作的阀作为在发生故障时确保高压源断开的装置。 持续监控泵/电机上的位移行程位置和压力​​差。 在检测各种失效模式或位移控制不规则的情况下,采取以下措施:高压和低压蓄能器自动或手动关闭,泵/电机的高压端口和低压端口之间的止回阀 被激活,并且少量的加压流体从高压回路释放以使捕获流体减压。 还指定了安全的启动和关闭程序。 该系统提供了包括发动机泵和驱动电动机的液压混合动力车辆的安全操作,其中至少一个操作在中心以上。 该系统可选地提供一个位移控制阀,其通过来自致动器或位移传感器的反馈来控制,并且在排出控制阀的电力损失时将导致受控的泵/电动机行驶到零位移位置。
    • 10. 发明申请
    • HYDRAULIC CIRCUIT AND MANIFOLD WITH MULTIFUNCTION VALVE
    • 带多功能阀的液压回路和歧管
    • WO2011037612A3
    • 2011-08-04
    • PCT/US2010002561
    • 2010-09-20
    • US ENVIRONMENTGRAY CHARLES L
    • GRAY CHARLES L
    • F15B13/02F15B11/02F16K1/22F16K11/00F16K31/52
    • G05D7/0641Y10T137/0318Y10T137/0396Y10T137/7771Y10T137/778Y10T137/7878Y10T137/7898Y10T137/7906Y10T137/877
    • A hydraulic manifold has features adapted to the needs of hybrid vehicle applications. In one embodiment, multifunction valves selectively regulate fluid flow among primary and auxiliary flow paths. A normally closed butterfly valve is biased by a relatively small secondary biasing force against rotation in first and second (opposite) directions, and by a relatively large principal biasing force against rotation in the first direction past a transitional angular position at which the principal biasing force takes effect. An actuator selectively controls the transitional angular position and the magnitude of the principal biasing force. In the first direction, flow must overcome only the secondary biasing force to pass the valve. In the second direction, any flow sufficient to overcome the secondary biasing force but not the principal biasing force will divide into a first flow passing the valve and a second flow induced to enter an auxiliary path upstream. Additional flow causing the principal biasing force to additionally be overcome will substantially pass the valve as part of the first flow. This and other embodiments provide a manifold that is controllable to allocate flow among primary and auxiliary paths while remaining responsive to sudden large changes in flow independently of immediate control response.
    • 液压歧管具有适应混合动力车辆应用需求的特征。 在一个实施例中,多功能阀选择性地调节主和辅助流动路径之间的流体流动。 常闭蝶形阀在第一和第二(相反)方向上受到相对较小的第二偏置力的偏转,并且受到相对较大的主偏置力的作用,以抵抗第一方向上的旋转经过过渡角位置,在该过渡角位置处,主偏置力 生效。 致动器选择性地控制主偏置力的过渡角位置和大小。 在第一个方向上,流量必须仅克服通过阀门的辅助偏置力。 在第二方向上,任何足以克服二级偏置力而不是主偏置力的流动将分成通过阀的第一流动和被诱导进入上游的辅助路径的第二流动。 引起主偏压力额外被克服的附加流动将基本上通过阀作为第一流的一部分。 该实施例和其它实施例提供了一种可控制的歧管,以在主流程和辅助流程之间分配流量,同时保持响应流量的突然的大的变化,而与立即的控制响应无关。