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公开(公告)号：US20210317809A1
公开(公告)日：2021-10-14
申请号：US17355895
申请日：2021-06-23
Applicant: Walbro LLC
Inventor： Gary J. Burns , Andreas D. M. Dixon , Eric G. Zbytowski , Albert L. Sayers , Justin T. Dolane , David L. Speirs , William E. Galka , Duried F. Rabban , Bradley J. Roche
Abstract: A throttle body assembly for a combustion engine includes a throttle body having a pressure chamber including a supply of liquid fuel, and a throttle bore with an inlet through which air is received. A throttle valve is carried by the throttle body with a valve head movable relative to the throttle bore. A metering valve is coupled to the throttle body, and has a valve element that is movable between open and closed positions. A boost venturi is located in the throttle bore and has an inner passage that is open at both ends to the throttle bore. The boost venturi has an opening through which fuel flows into the inner passage when the valve element is in the open position, wherein fuel flows from the pressure chamber to the metering valve under the force of gravity or under a pressure of less than 6 psi.
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公开(公告)号：US11073122B2
公开(公告)日：2021-07-27
申请号：US16094945
申请日：2017-04-21
Applicant: Walbro LLC
Inventor： Gary J. Burns , Andreas D. M. Dixon , Eric G. Zbytowski , Albert L. Sayers , Justin T. Dolane , David L. Speirs , William E. Galka , Duried F. Rabban , Bradley J. Roche
Abstract: In at least some implementations, a throttle body assembly for a combustion engine includes a throttle body having a pressure chamber in which a supply of fuel is received and a throttle bore with an inlet through which air is received, a throttle valve carried by the throttle body with a valve head movable relative to the throttle bore to control fluid flow through the throttle bore, and a metering valve carried by the throttle body. The metering valve may have a valve element that is movable between an open position wherein fuel may flow from the pressure chamber into the throttle bore and a closed position where fuel is prevented or substantially prevented from flowing into the throttle bore through the metering valve.
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公开(公告)号：US10125696B2
公开(公告)日：2018-11-13
申请号：US15098866
申请日：2016-04-14
Applicant: Walbro LLC
Inventor： Bryan K. Gangler , Bradley J. Roche , Dairoku Suzuki , David L. Speirs , Eric G. Zbytowski
Abstract: In at least some implementations, a charge forming device includes a main body, a throttle valve and an adjuster. The main body includes a main bore through which fluid flows for delivery to an engine. The throttle valve is carried by the main body and moveable relative to the main bore to control fluid flow through the main bore. And the adjuster is moveable relative to the throttle valve and engageable with the throttle valve to adjust the range of motion of the throttle valve. In at least some implementations, the adjuster limits the range of motion of the throttle valve when the adjuster is engaged with the throttle valve.
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公开(公告)号：US20230087858A1
公开(公告)日：2023-03-23
申请号：US17988946
申请日：2022-11-17
Applicant: Walbro LLC
Inventor： Gary J. Burns , Andreas D. M. Dixon , Eric G. Zbytowski , Albert L. Sayers , Justin T. Dolane , David L. Speirs , William E. Galka , Duried F. Rabban , Bradley J. Roche
Abstract: A throttle body assembly for a combustion engine includes a throttle body having a pressure chamber including a supply of liquid fuel, and a throttle bore with an inlet through which air is received. A throttle valve is carried by the throttle body with a valve head movable relative to the throttle bore. A metering valve is coupled to the throttle body, and has a valve element that is movable between open and closed positions. A boost venturi is located in the throttle bore and has an inner passage that is open at both ends to the throttle bore. The boost venturi has an opening through which fuel flows into the inner passage when the valve element is in the open position, wherein fuel flows from the pressure chamber to the metering valve under the force of gravity or under a pressure of less than 6 psi.
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5.发明授权公开(公告)号：US11008951B2
公开(公告)日：2021-05-18
申请号：US16652187
申请日：2018-10-02
Applicant: Walbro LLC
Inventor： Gary J. Burns , William E. Galka , Bradley J. Roche , Albert L. Sayers , David L. Speirs , Eric G. Zbytowski
Abstract: In at least some implementations, a throttle body assembly includes a body that has multiple throttle bores, multiple throttle valve heads received one in each of the throttle bores, at least one throttle valve shaft to which the throttle valve heads are coupled, and at least one of a fuel metering valve and a vapor separator carried by the body.
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Patent Agency Ranking
公开(公告)号：US20190120193A1
公开(公告)日：2019-04-25
申请号：US16094945
申请日：2017-04-21
Applicant: Walbro LLC
Inventor： Gary J. Burns , Andreas D. M. Dixon , Eric G. Zbytowski , Albert L. Sayers , Justin T. Dolane , David L. Speirs , William E. Galka , Duried F. Rabban , Bradley J. Roche
Abstract: In at least some implementations, a throttle body assembly for a combustion engine includes a throttle body having a pressure chamber in which a supply of fuel is received and a throttle bore with an inlet through which air is received, a throttle valve carried by the throttle body with a valve head movable relative to the throttle bore to control fluid flow through the throttle bore, and a metering valve carried by the throttle body. The metering valve may have a valve element that is movable between an open position wherein fuel may flow from the pressure chamber into the throttle bore and a closed position where fuel is prevented or substantially prevented from flowing into the throttle bore through the metering valve.
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公开(公告)号：US20160305348A1
公开(公告)日：2016-10-20
申请号：US15098866
申请日：2016-04-14
Applicant: Walbro LLC
Inventor： Bryan K. Gangler , Bradley J. Roche , Dairoku Suzuki , David L. Speirs , Eric G. Zbytowski
CPC classification number: F02D11/06 , F02D9/105 , F02D2009/0296 , F02D2200/0404 , F02D2400/06
Abstract: In at least some implementations, a charge forming device includes a main body, a throttle valve and an adjuster. The main body includes a main bore through which fluid flows for delivery to an engine. The throttle valve is carried by the main body and moveable relative to the main bore to control fluid flow through the main bore. And the adjuster is moveable relative to the throttle valve and engageable with the throttle valve to adjust the range of motion of the throttle valve. In at least some implementations, the adjuster limits the range of motion of the throttle valve when the adjuster is engaged with the throttle valve.
Abstract translation: 在至少一些实施方案中，电荷形成装置包括主体，节流阀和调节器。 主体包括一个主孔，流体通过该孔流入发动机。 节流阀由主体承载并相对于主孔运动以控制通过主孔的流体流动。 并且调节器相对于节流阀可移动并且可与节流阀接合以调节节流阀的运动范围。 在至少一些实施方案中，当调节器与节流阀接合时，调节器限制节流阀的运动范围。
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公开(公告)号：US20240100549A1
公开(公告)日：2024-03-28
申请号：US18373820
申请日：2023-09-27
Applicant: Walbro LLC
Inventor： Bradley J. Roche , Eric G. Zbytowski , Cyrus M. Healy , Benjermen L. Hill , Elizabeth M. VanSipe
CPC classification number: B05B7/0408 , B01F25/1051 , B08B3/026 , B08B13/00 , B01F2101/4505 , B08B2203/0217
Abstract: A mixing system for a power washer includes an electrically actuated valve communicated with a supply of a working fluid, and having a valve head that is movable between open and closed positions to control the flow rate of the working fluid through an outlet of the valve. The outlet of the valve is communicated with a fluid passage of the power washer to enable flow of the working fluid into a primary fluid and discharge of a mixture of the primary fluid and working fluid from the power washer when the valve is open, and to provide a flow of primary fluid from the power washer when the valve is closed.
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公开(公告)号：US11927164B2
公开(公告)日：2024-03-12
申请号：US17988946
申请日：2022-11-17
Applicant: Walbro LLC
Inventor： Gary J. Burns , Andreas D. M. Dixon , Eric G. Zbytowski , Albert L Sayers , Justin T. Dolane , David L Speirs , William E. Galka , Duried F. Rabban , Bradley J. Roche
CPC classification number: F02M69/044 , F02D9/10 , F02M7/18 , F02M19/0207 , F02M19/08 , F02M19/10 , F02M63/0056
Abstract: A throttle body assembly for a combustion engine includes a throttle body having a pressure chamber including a supply of liquid fuel, and a throttle bore with an inlet through which air is received. A throttle valve is carried by the throttle body with a valve head movable relative to the throttle bore. A metering valve is coupled to the throttle body, and has a valve element that is movable between open and closed positions. A boost venturi is located in the throttle bore and has an inner passage that is open at both ends to the throttle bore. The boost venturi has an opening through which fuel flows into the inner passage when the valve element is in the open position, wherein fuel flows from the pressure chamber to the metering valve under the force of gravity or under a pressure of less than 6 psi.
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公开(公告)号：US11536235B2
公开(公告)日：2022-12-27
申请号：US17355895
申请日：2021-06-23
Applicant: Walbro LLC
Inventor： Gary J. Burns , Andreas D. M. Dixon , Eric G. Zbytowski , Albert L. Sayers , Justin T. Dolane , David L. Speirs , William E. Galka , Duried F. Rabban , Bradley J. Roche
Abstract: A throttle body assembly for a combustion engine includes a throttle body having a pressure chamber including a supply of liquid fuel, and a throttle bore with an inlet through which air is received. A throttle valve is carried by the throttle body with a valve head movable relative to the throttle bore. A metering valve is coupled to the throttle body, and has a valve element that is movable between open and closed positions. A boost venturi is located in the throttle bore and has an inner passage that is open at both ends to the throttle bore. The boost venturi has an opening through which fuel flows into the inner passage when the valve element is in the open position, wherein fuel flows from the pressure chamber to the metering valve under the force of gravity or under a pressure of less than 6 psi.
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