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41. 发明申请

US20160061164A1 VACUUM PRODUCER INCLUDING AN ASPIRATOR AND AN EJECTOR 审中-公开
标题翻译：真空生产商，包括吸气器和喷射器
公开(公告)号：US20160061164A1
公开(公告)日：2016-03-03
申请号：US14468446
申请日：2014-08-26
申请人： David E. Fletcher , Brian M. Graichen , Keith Hampton
发明人： David E. Fletcher , Brian M. Graichen , Keith Hampton
IPC分类号： F02M35/10 , F02M25/07
CPC分类号： F02M35/10229 , B60T13/46 , B60T17/02
摘要： A vacuum producer for supplying vacuum to a device in a boosted engine air system is disclosed. The boosted engine air system includes a throttle. The vacuum producer includes a first engine connection, a second engine connection, an aspirator, an aspirator check valve, an ejector, and an ejector check valve. The first engine connection is fluidly connected to atmospheric pressure and the second engine connection is fluidly connected to the engine air system at a location upstream of an intake manifold of an engine and downstream of the throttle. The aspirator provides vacuum to the device if pressure at the intake manifold is below atmospheric pressure. The ejector provides vacuum if pressure at the intake manifold is above atmospheric pressure.
摘要翻译：公开了一种用于向增压发动机空气系统中的装置提供真空的真空发生器。升压的发动机空气系统包括油门。真空发生器包括第一发动机连接，第二发动机连接，吸气器，吸气器止回阀，喷射器和喷射器止回阀。第一发动机连接件流体地连接到大气压力，并且第二发动机连接件在发动机的进气歧管和油门下游的位置的上游位置流体连接到发动机空气系统。如果进气歧管的压力低于大气压，吸气器会向设备提供真空。如果进气歧管的压力高于大气压，喷射器提供真空。

42. 发明授权

US10316864B2 Devices for producing vacuum using the venturi effect 有权
公开(公告)号：US10316864B2
公开(公告)日：2019-06-11
申请号：US15097558
申请日：2016-04-13
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Keith Hampton
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Keith Hampton
IPC分类号： F04F5/20 , F04F5/46 , F04F5/52
摘要： Devices for producing vacuum using the Venturi effect have a housing defining a suction chamber, a motive passageway converging toward the suction chamber, a discharge passageway diverging away from the suction chamber, and a suction passageway in fluid communication with the suction chamber. A solenoid valve is positioned in the suction passageway and has an elongate sealing member received inside a coil, a first seal seat at a first end of the coil, and a second seal seat at the second end of the coil. The elongate sealing member is translatable within the coil between the first seal seat and the second seal seat, which define an open position and a closed position. Within the suction chamber, a motive exit of the motive passageway is generally aligned with and spaced apart from a discharge entrance of the discharge passageway to define a Venturi gap.

43. 发明授权

US10273978B2 Low-cost evacuator for an engine having tuned Venturi gaps 有权
公开(公告)号：US10273978B2
公开(公告)日：2019-04-30
申请号：US14830864
申请日：2015-08-20
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert , Denis Vashuk
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert , Denis Vashuk
IPC分类号： F04F5/46 , F02M35/10 , F04F5/00 , F04F5/20
摘要： An evacuator for supplying vacuum to a device in a boosted engine air system is disclosed. The evacuator defines a body comprising a converging motive section, a diverging discharge section, at least one suction port, and a Venturi gap located between an outlet end of the converging motive section and an inlet end of the diverging discharge section. A lineal distance is measured between the outlet end and the inlet end. The lineal distance is decreased in length if higher suction vacuum at a specific set of operating conditions is required and the lineal distances is increased in length if higher suction flow rate at the specific set of operating conditions is required.

44. 发明授权

US10100720B2 Crankcase ventilating evacuator 有权
公开(公告)号：US10100720B2
公开(公告)日：2018-10-16
申请号：US14989177
申请日：2016-01-06
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Keith Hampton
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Keith Hampton
IPC分类号： F02B37/00 , F02M25/06 , F01M13/02
摘要： A turbocharged engine air system is disclosed. The system includes a vacuum consuming device, a turbocharger having a compressor fluidly connected to an intake manifold of an engine, a first check valve located upstream of the compressor, a second check valve located downstream of the compressor and upstream of the intake manifold, and an evacuator. The evacuator includes a converging motive section, a diverging discharge section, at least one suction port, and a Venturi gap located between an outlet end of the converging motive section and an inlet end of the diverging discharge section. The diverging discharge section of the evacuator is fluidly connected to both the first check valve and the second check valve. The suction port is fluidly connected to the vacuum consuming device.

45. 发明授权

US10024339B2 Vacuum creation system having an ejector, pneumatic control valve and optionally an aspirator 有权
公开(公告)号：US10024339B2
公开(公告)日：2018-07-17
申请号：US14725642
申请日：2015-05-29
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert
IPC分类号： F04F5/54 , F04F5/16 , F04F5/20 , F02B37/16
CPC分类号： F04F5/54 , F02B37/162 , F04F5/16 , F04F5/20
摘要： Ejector assemblies and engine systems have a pressure regulator in fluid communication with an ejector. The pressure regulator receives boost pressure and selectively allows the boost pressure to pass through a valve opening therein under selected engine conditions and into the ejector as regulated boost pressure. Both the pressure regulator and the ejector each have a conduit defining a passageway that includes a Venturi gap separating the passageway into a converging section and a first diverging section that both narrow toward the Venturi gap. The pressure regulator has a piston operatively connected to a valve mechanism positioned for movement therewith to control the passage of the boost pressure through the valve opening, and the valve mechanism defines a passage therethrough that includes a gradually narrowing portion that is narrower than the valve opening.

46. 发明申请

US20170356404A1 BYPASS VALVE IN AN APPARATUS FOR PRODUCING VACUUM 有权
公开(公告)号：US20170356404A1
公开(公告)日：2017-12-14
申请号：US15613641
申请日：2017-06-05
申请人： David E. Fletcher , Brian M. Graichen , Keith Hampton
发明人： David E. Fletcher , Brian M. Graichen , Keith Hampton
IPC分类号： F02M35/10 , F16K15/02
CPC分类号： B60T13/52 , B60T17/02 , B60T17/04 , Y10T137/87587
摘要： Venturi devices are disclosed that have a housing defining a conduit having a Venturi gap. Downstream of and bypassing the Venturi gap is a bypass check valve that defines an internal cavity having a first seat, a second seat, an inlet port, at least two outlet ports, and a seal member seated therein that is translatable between a closed position against the first seat and an open position against the second seat. The two outlet ports of the bypass check valve enter the conduit at opposing positions disposed a distance from a top of the conduit, which is located at a midsagittal plane of the housing. Further, a transition from a tapering section downstream of the Venturi gap and upstream of each of the two outlet ports to a discharge section downstream of the two outlet ports forms a gradually, continuously tapering interior surface of the conduit.

47. 发明申请

US20170254426A1 FLUIDIC DIODE CHECK VALVE 有权
公开(公告)号：US20170254426A1
公开(公告)日：2017-09-07
申请号：US15448726
申请日：2017-03-03
申请人： Keith Hampton , David E. Fletcher , Brian M. Graichen , James H. Miller , Matthew C. Gilmer , Andrew D. Niedert
发明人： Keith Hampton , David E. Fletcher , Brian M. Graichen , James H. Miller , Matthew C. Gilmer , Andrew D. Niedert
IPC分类号： F16K15/02
CPC分类号： F16K15/02 , F02M25/08 , F02M25/0836 , F02M25/089 , F16K15/00 , F16K99/0021 , F16K99/0057
摘要： Fluidic diodes are disclosed that have a housing defining an inlet and an outlet and a divided fluid passageway therebetween defined by mirror image partitions generally tear-drop shaped spaced apart a first distance from one another by a constant width primary fluid pathway with the tip thereof pointed generally toward the outlet and spaced apart a second distance from an interior wall of the housing to define a constant width secondary fluid pathway. Fluid flow from the inlet to the outlet is through the primary fluid pathway with some additional flow through the secondary fluid pathways joining the primary fluid pathway proximate the outlet for flow together in the same direction, and fluid flow from the outlet to the inlet through the secondary fluid pathways exits the secondary fluid pathways into the primary fluid pathway, proximate the inlet, in a direction substantially opposite the flow in the primary fluid pathway.

48. 发明申请

US20170122153A1 VENTURI DEVICES RESISTANT TO ICE FORMATION FOR PRODUCING VACUUM FROM CRANKCASE GASES 审中-公开
公开(公告)号：US20170122153A1
公开(公告)日：2017-05-04
申请号：US15337454
申请日：2016-10-28
申请人： Keith Hampton , David E. Fletcher , Brian M. Graichen , James H. Miller , Andrew D. Niedert
发明人： Keith Hampton , David E. Fletcher , Brian M. Graichen , James H. Miller , Andrew D. Niedert
IPC分类号： F01M13/02 , F02M25/06 , F02M35/10 , F04F5/04
CPC分类号： F01M13/021 , F01M2013/026 , F01M2013/027 , F02M25/06 , F02M35/10229 , F04F5/04 , F04F5/20 , F04F5/46 , Y02T10/121
摘要： A device for producing vacuum using the Venturi effect, systems utilizing the device, and methods of making the device are disclosed. The device has a housing defining a Venturi gap, a motive passageway converging toward the Venturi gap and in fluid communication therewith, a discharge passageway diverging away from the Venturi gap and in fluid communication therewith, and a suction passageway in fluid communication with the Venturi gap. The suction passageway has an interior surface with a surface topography that renders the interior surface hydrophobic and has an oleophobic coating applied to the interior surface while maintaining the surface topography.

49. 发明申请

US20170058731A1 RESTRICTORS USING THE VENTURI EFFECT 审中-公开
标题翻译：使用VENTURI效应的限制器
公开(公告)号：US20170058731A1
公开(公告)日：2017-03-02
申请号：US15245941
申请日：2016-08-24
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Keith Hampton
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Keith Hampton
IPC分类号： F01M13/02 , F02M35/10 , F02M35/104 , F02B33/00 , F02M25/06
CPC分类号： F01M13/028 , F01M13/023 , F01M2013/0038 , F01M2013/0044 , F01M2013/026 , F02B33/00 , F02M25/06 , F02M26/10 , F02M26/19 , F02M35/10222 , F02M35/104 , F16N2270/22 , Y02T10/121
摘要： Restrictors are disclosed that include a body defining a Venturi tube having a throat defining a junction of a converging inlet cone to a diverging outlet cone along a longitudinal axis thereof, and with the converging inlet cone and the diverging outlet cone each defining an inner passageway that transitions as a hyperbolic or parabolic function toward the throat.
摘要翻译：公开了限定器，其包括限定文丘里管的主体，其具有喉部，其沿着其纵向轴线限定会聚入口锥体与发散出口锥体的连接，并且会聚进口锥体和发散出口锥体各限定内部通道，转换为双曲线或抛物线函数朝向喉咙。

50. 外观设计

USD780296S1 Actuated valve 有权
标题翻译：致动阀
公开(公告)号：USD780296S1
公开(公告)日：2017-02-28
申请号：US29533486
申请日：2015-07-17
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Keith Hampton , Matthew C. Gilmer , Andrew D. Niedert , Nicole Bruder
设计人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Keith Hampton , Matthew C. Gilmer , Andrew D. Niedert , Nicole Bruder

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