公开(公告)号：US10513954B2

公开(公告)日：2019-12-24

申请号：US15245941

申请日：2016-08-24

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton

Inventor： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton

IPC: F01M13/02 ,  F02B33/00 ,  F02M35/104 ,  F02M35/10 ,  F02M25/06 ,  F01M13/00 ,  F02M26/10 ,  F02M26/19

Abstract: 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.

公开(公告)号：US10422351B2

公开(公告)日：2019-09-24

申请号：US15210190

申请日：2016-07-14

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton

Inventor： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton

IPC: F04F5/46 ,  F02M35/10 ,  B60T13/46 ,  B60T17/02 ,  F04F5/20

Abstract: Devices for producing vacuum using the Venturi effect are disclosed that have a motive passageway converging toward a suction chamber, a discharge passageway diverging away from the suction chamber, and a suction passageway, all of which are in fluid communication with the suction chamber. The motive passageway has a single entrance, and subdivides downstream thereof into a plurality of subpassageways, one each leading to one of the plurality of motive exits, which are spaced apart from a discharge entrance of the discharge passageway to define a Venturi gap. The fletch having a plurality of ribs extending between an exterior surface of the generally conically-shaped main body thereof and an interior surface of the motive passageway is disposed in the motive passageway. The ribs divide the motive passageway into the plurality of sub-passageways, each converging fluid flow over the exterior surface thereof toward one of the plurality of motive exits.

公开(公告)号：USD821302S1

公开(公告)日：2018-06-26

申请号：US29530829

申请日：2015-06-19

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Rex Bravo ,  Keith Hampton ,  Matthew C. Gilmer ,  Andrew D. Niedert ,  Nicole Bruder

Designer： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Rex Bravo ,  Keith Hampton ,  Matthew C. Gilmer ,  Andrew D. Niedert ,  Nicole Bruder

公开(公告)号：US09915362B2

公开(公告)日：2018-03-13

申请号：US15448726

申请日：2017-03-03

Applicant: Keith Hampton ,  David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Matthew C. Gilmer ,  Andrew D. Niedert

Inventor： Keith Hampton ,  David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Matthew C. Gilmer ,  Andrew D. Niedert

IPC: F16K15/00 ,  F15C1/02 ,  F16K15/02

CPC classification number: F16K15/02 ,  F02M25/08 ,  F02M25/0836 ,  F02M25/089 ,  F16K15/00 ,  F16K99/0021 ,  F16K99/0057

Abstract: 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.

公开(公告)号：US09828953B2

公开(公告)日：2017-11-28

申请号：US14556279

申请日：2014-12-01

Applicant: David Fletcher ,  James H. Miller ,  Keith Hampton ,  Brian M. Graichen

Inventor： David Fletcher ,  James H. Miller ,  Keith Hampton ,  Brian M. Graichen

IPC: F04D19/00 ,  F02M25/08 ,  F04D21/00 ,  F04D19/04 ,  F02M35/10 ,  F02M25/06 ,  F01M13/02 ,  B60T17/02 ,  F04F5/20 ,  F04F5/46 ,  F02B37/00

CPC classification number: F02M25/0854 ,  B60T17/02 ,  F01M13/022 ,  F02B37/00 ,  F02M25/06 ,  F02M25/0872 ,  F02M35/10157 ,  F02M35/10222 ,  F02M35/10229 ,  F04D19/00 ,  F04D19/04 ,  F04D21/00 ,  F04F5/20 ,  F04F5/466 ,  Y02T10/121 ,  Y02T10/144

Abstract: A pneumatically actuated vacuum pump is disclosed. The pneumatically actuated vacuum pump includes a body. The body defines at least two converging motive sections each having an outlet end, at least two diverging discharge sections each having an inlet end, and at least one Venturi gap. The Venturi gap is located between the outlet ends of the at least two converging motive sections and the inlet ends of the at least two diverging discharge sections.

公开(公告)号：USD796006S1

公开(公告)日：2017-08-29

申请号：US29591037

申请日：2017-01-16

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Rex Bravo ,  Keith Hampton ,  Matthew C. Gilmer ,  Andrew D. Niedert ,  Nicole Bruder

Designer： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Rex Bravo ,  Keith Hampton ,  Matthew C. Gilmer ,  Andrew D. Niedert ,  Nicole Bruder

公开(公告)号：USD796005S1

公开(公告)日：2017-08-29

申请号：US29591032

申请日：2017-01-16

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Rex Bravo ,  Keith Hampton ,  Matthew C. Gilmer ,  Andrew D. Niedert ,  Nicole Bruder

Designer： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Rex Bravo ,  Keith Hampton ,  Matthew C. Gilmer ,  Andrew D. Niedert ,  Nicole Bruder

公开(公告)号：US09732871B2

公开(公告)日：2017-08-15

申请号：US14800027

申请日：2015-07-15

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton ,  Matthew C. Gilmer

Inventor： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton ,  Matthew C. Gilmer

IPC: F02B37/18 ,  F16K17/02 ,  F16K24/04 ,  F02B37/16 ,  F16K37/00

CPC classification number: F16K24/04 ,  B60T17/04 ,  B60T17/06 ,  F02B21/00 ,  F02B37/16 ,  F02B37/18 ,  F02B2037/125 ,  F02M35/10157 ,  F02M35/10229 ,  F16K37/0033 ,  Y02T10/144

Abstract: A valve assembly is disclosed, and includes an evacuator and a relief valve. The evacuator includes a suction port that selectively applies a vacuum. The relief valve has an open position and a closed position, and includes an inlet, an outlet, a piston that translates within a chamber, and a pressurized chamber. The piston includes a first end and a second end. The pressurized chamber is fluidly connected to the suction port of the evacuator, and is defined in part by the first end of the piston. The piston translates within the pressurized chamber towards the open position if vacuum is applied to the pressurized chamber.

公开(公告)号：US09669815B2

公开(公告)日：2017-06-06

申请号：US14463200

申请日：2014-08-19

Applicant: James H. Miller ,  Keith Hampton ,  David E. Fletcher

Inventor： James H. Miller ,  Keith Hampton ,  David E. Fletcher

IPC: F02M35/10 ,  B60T13/46 ,  B60T17/02

CPC classification number: B60T13/46 ,  B60T17/02 ,  F02M35/10157 ,  F02M35/10229 ,  Y02T10/144

Abstract: An engine system including a first flowpath between a first component and a second component where a first aspirator forms a portion of the first flowpath, and a second flowpath between the first component and the second component, where a second aspirator forms a portion of the second flowpath. A shut-off valve forms a portion of the second flowpath. The first aspirator and the second aspirator each have a suction inlet, and the suction inlet of the first aspirator is in fluid communication with the suction inlet of the second aspirator.

公开(公告)号：US20160201552A1

公开(公告)日：2016-07-14

申请号：US14989177

申请日：2016-01-06

Applicant: David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton

Inventor： David E. Fletcher ,  Brian M. Graichen ,  James H. Miller ,  Keith Hampton

IPC: F02B37/00

CPC classification number: F02B37/004 ,  F01M13/021 ,  F01M2013/026 ,  F01M2013/027 ,  F02M25/06 ,  Y02T10/121

Abstract: 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.

Abstract translation: 公开了涡轮增压发动机空气系统。 该系统包括真空消耗装置，具有流体连接到发动机的进气歧管的压缩机的涡轮增压器，位于压缩机上游的第一止回阀，位于压缩机下游和进气歧管上游的第二止回阀，以及 疏散者 抽风机包括会聚动力部分，发散排放部分，至少一个吸入口和位于会聚动力部分的出口端与发散排放部分的入口端之间的文氏管间隙。 排气器的发散排出部分流体地连接到第一止回阀和第二止回阀两者。 吸入口流体地连接到真空消耗装置。