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公开(公告)号：US20210404410A1
公开(公告)日：2021-12-30
申请号：US17294797
申请日：2018-12-12
申请人： Cummins Inc.
发明人： Dhanesh M. Purekar
摘要： A method is provided for controlling operation of a fueling system including a fuel pump driven by an engine geartrain and a fuel accumulator supplied fuel by the fuel pump, comprising: determining whether an operating parameter of the engine is less than a threshold value; responding to the operating parameter being less than the threshold value by causing an inlet valve of the fuel pump to operate in a 100 percent fill mode, whereby a pumping chamber in the fuel pump is approximately fully filled for at least one pumping cycle; determining whether a fuel pressure in the fuel accumulator is greater than a desired value while the inlet valve is in the 100 percent fill mode; and responding to the fuel pressure being greater than the desired value by activating an outlet valve of the fuel accumulator to drain fuel in the fuel accumulator to a fuel tank.
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公开(公告)号：US20160369794A1
公开(公告)日：2016-12-22
申请号：US15187623
申请日：2016-06-20
发明人： Justin R. Pribanic , David Chapman
CPC分类号： B01D36/005 , B01D35/143 , B01D37/04 , F02D41/0025 , F02D41/3082 , F02M37/08 , F02M37/22 , F02M37/221 , F02M59/12 , F02M59/44 , F02M2037/082 , F02M2037/225 , F04C2/102 , F04C2/3447 , F04C14/08 , F04C15/0061 , F04C15/008 , F04C15/0096 , F04C29/0092 , H02K7/14 , H02K9/22 , H02K11/0094 , H02K11/33
摘要： A fuel filter assembly incorporates a BLDC motor and control circuit configured to operate at a first rotational speed upon startup and switch to a second rotational speed when measured variables indicate that the filter assembly is filled with fuel. The first rotational speed is initiated as a default when power is applied to the control circuit. If the filter assembly has been serviced, it must be primed before resuming normal operation. The first rotational speed is significantly higher than the second rotational speed to reduce the amount of time necessary to prime the filter assembly. The control circuit is arranged to monitor a variable which corresponds to the torque necessary to drive the pump. When the pump is filled with air prior to priming, lower torque is required to drive the pump, which corresponds to lower current draw and power consumption at the BLDC motor.
摘要翻译： 燃料过滤器组件包括BLDC电动机和控制电路，其被配置为在启动时以第一转速操作并且当测量的变量指示过滤器组件充满燃料时切换到第二转速。 当向控制电路施加电力时，第一转速作为默认值启动。 如果过滤器组件已经被维护，则必须先清理过滤器，然后再恢复正常操作。 第一旋转速度明显高于第二旋转速度以减少填充过滤器组件所需的时间量。 该控制电路设置成监视与驱动泵所必需的转矩对应的变量。 当泵在起动之前充满空气时，需要较低的转矩来驱动泵，这对应于BLDC电机的较低的电流消耗和功耗。
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公开(公告)号：US4738596A
公开(公告)日：1988-04-19
申请号：US79669
申请日：1987-07-30
IPC分类号： F02M39/02 , F01C21/08 , F02M37/04 , F02M55/00 , F02M59/00 , F02M59/12 , F02M59/42 , F04B21/02 , F04B25/00 , F04C15/02
CPC分类号： F02M37/045 , F01C21/0818 , F02M55/00
摘要： A fuel pumping apparatus for supplying fuel to a compression ignition engine includes a high pressure pump to which fuel is supplied from the outlet of a low pressure pump of the vane type. The vanes of the pump are mounted in slots in the pump rotor and are spring biased outwardly. A cavity defined by the inner ends of the slots is connected by a spring loaded valve to the outlet when the output pressure is above a predetermined value and to a space in the housing of the apparatus through a valve when the output pressure is below said value. The space contains fuel which accumulates during the operation of the apparatus.
摘要翻译： 用于向压缩点火式发动机供给燃料的燃料抽吸装置包括从叶片式低压泵的出口供给燃料的高压泵。 泵的叶片安装在泵转子中的槽中并且向外偏压弹簧。 当输出压力低于所述值时，当输出压力高于预定值时，由槽的内端限定的空腔通过弹簧加载的阀连接到出口，并且通过阀通过阀连接到装置的壳体中的空间 。 该空间包含在装置操作期间积聚的燃料。
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公开(公告)号：US4141328A
公开(公告)日：1979-02-27
申请号：US730456
申请日：1976-10-07
申请人： Larry J. Tipton , Steven D. Bryant
发明人： Larry J. Tipton , Steven D. Bryant
CPC分类号： F04B1/0443 , F02M37/08 , F04B1/0413 , F04B1/0465 , F04B1/1071
摘要： A motor driven rotary fuel pump particularly adapted to meter fuel flow from a fuel supply line to a two-barrel carburetor of an internal combustion engine. The pump includes a rotor eccentrically mounted in a rotor chamber and having a plurality of pistons mounted in radially extending piston chambers spaced about the circumference of the rotor. An arcuate inlet slot in the housing adjacent the rotor supplies fuel to the piston chambers of the rotor and the fuel from the piston chambers is dispersed into arcuate outlet slots in the housing for discharge into a two-barrel carburetor. The pistons ride in engagement with a peripheral wall surface defining the rotor chamber and the piston chambers register successively with each of the arcuate slots with a dwell portion for the pistons provided by the wall surface between each of the arcuate slots. A drive connection between a drive motor and the rotor continuously urges the rotor into a sealing relation with a face of the rotor chamber.
摘要翻译： 一种电动驱动的旋转燃料泵，特别适用于测量从燃料供应管线到内燃机的两缸化油器的燃料流量。 泵包括偏心地安装在转子室中并具有多个活塞的转子，该活塞安装在围绕转子圆周间隔开的径向延伸的活塞室中。 邻近转子的壳体中的弓形入口狭槽将燃料供应到转子的活塞室，并且来自活塞室的燃料被分散到壳体中的弓形出口槽中，以排放到双桶化油器中。 活塞与限定转子室的周壁表面接合，并且活塞室与每个弓形槽连续地对准用于由每个弓形槽之间的壁表面提供的活塞的停留部分。 驱动马达和转子之间的驱动连接连续地促使转子与转子室的表面形成密封关系。
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公开(公告)号：US3385276A
公开(公告)日：1968-05-28
申请号：US49365665
申请日：1965-10-07
发明人： REINERS NEVILLE H , MARKS DAVID T , SMITH EDWARD D
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公开(公告)号：US2100318A
公开(公告)日：1937-11-30
申请号：US4753435
申请日：1935-10-31
申请人： FED IND CORP , CHARLES W BROOKS
发明人： BERHMAN JOHN W , ROBIOLIO RAYMON L
CPC分类号： F02M59/00 , F02M59/12 , F02M2700/1317
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公开(公告)号：US2088882A
公开(公告)日：1937-08-03
申请号：US512335
申请日：1935-02-05
CPC分类号： F02M59/12 , F02M61/00 , F02M2700/07
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公开(公告)号：US11428187B2
公开(公告)日：2022-08-30
申请号：US17294797
申请日：2018-12-12
申请人： Cummins Inc.
发明人： Dhanesh M. Purekar
IPC分类号： F02D41/30 , F02D41/38 , F02M55/02 , F02M59/12 , F02M59/46 , F04B17/05 , F04B49/22 , F04B53/00
摘要： A method is provided for controlling operation of a fueling system including a fuel pump driven by an engine geartrain and a fuel accumulator supplied fuel by the fuel pump, comprising: determining whether an operating parameter of the engine is less than a threshold value; responding to the operating parameter being less than the threshold value by causing an inlet valve of the fuel pump to operate in a 100 percent fill mode, whereby a pumping chamber in the fuel pump is approximately fully filled for at least one pumping cycle; determining whether a fuel pressure in the fuel accumulator is greater than a desired value while the inlet valve is in the 100 percent fill mode; and responding to the fuel pressure being greater than the desired value by activating an outlet valve of the fuel accumulator to drain fuel in the fuel accumulator to a fuel tank.
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公开(公告)号：US09938946B2
公开(公告)日：2018-04-10
申请号：US14269461
申请日：2014-05-05
申请人： Harold J. Whistler
发明人： Harold J. Whistler
CPC分类号： F02M59/12
摘要： A fuel turbine and a throttle body in a fuel system for an internal combustion engine. The fuel turbine includes a fuel turbine housing. The at least one fuel turbine output port is oriented substantially parallel to the fuel turbine housing axis and coupled to the throttle body. A primary fan capable of circumferential rotation and a secondary fan adapted for opposite circumferential rotation are oriented substantially parallel to the fuel turbine housing axis such that atomized fuel enters the fuel turbine input port to be forced by the primary fan and secondary fan into a higher pressure condition before exiting the fuel turbine housing by the at least one fuel turbine output port.
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公开(公告)号：US09903321B2
公开(公告)日：2018-02-27
申请号：US15032850
申请日：2014-10-23
申请人： WESTPORT POWER INC.
IPC分类号： F02M1/00 , F02M31/18 , F04B23/04 , F02M37/00 , F02M21/02 , F04B15/08 , F04B49/02 , F04B49/06 , F02M37/12 , F02M59/02 , F02M59/12
CPC分类号： F02M31/183 , F02M21/0206 , F02M37/0064 , F02M37/12 , F02M59/02 , F02M59/12 , F04B15/08 , F04B23/04 , F04B49/02 , F04B49/065 , Y02T10/126 , Y02T10/32
摘要： The problem arises of how to control a plurality of hydraulic pumps to achieve desired performance criteria, such as reduced wear and/or power consumption. The hydraulic pumps are operated in a hydraulic system for delivering hydraulic fluid to a hydraulic motor in a cryogenic pumping apparatus in an engine system fuelled with a gaseous fuel. A controller is operatively connected with the plurality of hydraulic pumps and is programmed to periodically determine a priority for each hydraulic pump as a function of predetermined criteria such as respective cumulative pumping cycles. Higher priority hydraulic pumps are operated before lower priority hydraulic pumps, that is in descending order of priority, to supply hydraulic fluid to the hydraulic motor. Hydraulic pumps are selected to operate according to the desired performance criteria.
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