公开(公告)号：US20150247476A1

公开(公告)日：2015-09-03

申请号：US14628326

申请日：2015-02-23

Applicant: WALBRO ENGINE MANAGEMENT, L.L.C.

Inventor： Michael P. Burns

IPC: F02M1/16 ,  F02M19/025

CPC classification number: F02M1/16 ,  B01F3/04 ,  B01F3/04056 ,  F02M7/08 ,  F02M17/04

Abstract: A carburetor including a body having a main bore through which a fuel and air mixture is discharged from the carburetor for use by an engine a priming passage communicated with the main bore, a pump that moves fluid into the priming passage, and a flow restrictor received within at least a portion of the priming passage to reduce the minimum effective flow area of the priming passage. The flow restrictor has a body received at least partially within the priming passage so that fluid flows around the flow restrictor and between the structure defining the priming passage and the flow restrictor.

Abstract translation: 一种化油器，包括具有主孔的主体，燃料和空气混合物通过该主体从化油器排出，以供发动机与主孔连通的起动通道，将流体移动到启动通道中的泵和限流器 在启动通道的至少一部分内，以减少起动通道的最小有效流动面积。 限流器具有至少部分地接收在启动通道内的主体，使得流体围绕限流器流动，并且限定了引导通道和限流器的结构之间。

公开(公告)号：US20150184616A1

公开(公告)日：2015-07-02

申请号：US14423611

申请日：2013-09-25

Applicant: WALBRO ENGINE MANAGEMENT, L.L.C.

Inventor： Scott D. Bostian ,  Matthew A. Braun ,  Gary J. Burns

IPC: F02M17/04 ,  B01F3/04 ,  B01F15/04

CPC classification number: F02M17/04 ,  B01F3/04985 ,  B01F15/0479 ,  B01F2215/0086 ,  F02M1/16 ,  F02M7/00 ,  F02M7/08

Abstract: A carburetor provides a supplemental fuel supply to an engine and includes a body, a fuel metering diaphragm and a fluid pump. The fuel metering diaphragm defines part of a fuel metering chamber and a reference chamber and has at least a portion that is movable relative to the body to increase and decrease the volume of the fuel metering chamber to control fuel flow in the fuel metering chamber. The fluid pump is carried by the carburetor or another component upstream of the carburetor and has an outlet in fluid communication with the metering reference chamber and an actuator arranged to discharge fluid through the outlet to increase the pressure within the metering reference chamber and thereby increase the fuel flow rate from the fuel metering chamber to the air-fuel passage to provide a supplemental fuel supply to the engine.

Abstract translation: 化油器为发动机提供补充燃料，并且包括主体，燃料计量隔膜和流体泵。 燃料计量隔膜限定燃料计量室和参考室的一部分，并且具有至少一部分可相对于主体移动的部分，以增加和减小燃料计量室的容积，以控制燃料计量室中的燃料流量。 流体泵由化油器或化油器上游的另一部件承载，并且具有与计量参考室流体连通的出口和布置成通过出口排出流体的致动器，以增加计量参考室内的压力，从而增加 从燃料计量室到空燃料通道的燃料流量，以向发动机提供补充燃料。

公开(公告)号：US20140366841A1

公开(公告)日：2014-12-18

申请号：US14301361

申请日：2014-06-11

Applicant: WALBRO ENGINE MANAGEMENT, L.L.C.

Inventor： Noriyu Nagata ,  Hiroki Ogasawara ,  Yoshio Asano ,  Yoshiaki Douyama

IPC: F02D9/10

CPC classification number: F02D9/107 ,  F16K31/465

Abstract: In at least some implementations, an apparatus includes a throttle valve rotatable between an first position and a second position, a connection member coupled to the throttle valve and a wire retainer coupled to the connection member. The connection member is adapted to be coupled to a wire that controls rotation of the throttle valve, and the wire retainer is adapted to overlie the wire and inhibit unintended decoupling of the wire from the connection member.

Abstract translation: 在至少一些实施方案中，装置包括可在第一位置和第二位置之间旋转的节流阀，联接到节流阀的连接构件和联接到连接构件的线保持器。 连接构件适于联接到控制节流阀的旋转的导线，并且电线保持器适于覆盖电线并阻止电线从连接构件的非预期的去耦。

公开(公告)号：US20140261329A1

公开(公告)日：2014-09-18

申请号：US14196543

申请日：2014-03-04

Applicant: WALBRO ENGINE MANAGEMENT, L.L.C.

Inventor： Matthew A. Braun ,  Gary J. Burns

IPC: F02M17/10

CPC classification number: F02M17/04

Abstract: A fuel and air supply device for an engine includes a carburetor having a fuel metering assembly with a fuel metering diaphragm defining at least part of a reference chamber, a scavenging air assembly including an air passage and an air valve moveable within the passage to alter air flow through the air passage, and a reference passage. The reference passage communicates at one end with the air passage upstream of the air valve and at its other end with the reference chamber to provide a reference air signal through the reference passage to the reference chamber. The reference air signal, in at least some implementations, is taken from a location downstream of an air filter and any other components so it is representative of the air flow at the air valve and accounts for restrictions to air flow caused upstream of the air valve.

Abstract translation: 用于发动机的燃料和空气供应装置包括具有燃料计量组件的化油器，所述燃料计量组件具有限定参考室的至少一部分的燃料计量隔膜，包括空气通道的清扫空气组件和可在通道内移动以改变空气的空气阀 流过空气通道和参考通道。 参考通道的一端与空气阀上游的空气通道连通，另一端与参考室连通，以通过参考通道提供参考空气信号到参考室。 在至少一些实施方式中，参考空气信号从空气过滤器和任何其它部件的下游位置获取，因此它代表空气阀处的空气流，并且考虑到空气阀上游引起的空气流的限制 。

公开(公告)号：US20140239097A1

公开(公告)日：2014-08-28

申请号：US14190629

申请日：2014-02-26

Applicant: WALBRO ENGINE MANAGEMENT, L.L.C.

Inventor： Kenneth J. Cotton ,  Elton J. Fisch ,  David D. Hacker ,  Jeffrey D. Hanby ,  Kevin L. Israelson ,  Roger N. Smith

IPC: F02M37/02

CPC classification number: F02M37/20 ,  F02M37/007 ,  F02M37/103

Abstract: A fuel pump for a fuel system includes a nozzle, a venturi, a pump inlet and a flow controller. The nozzle has an orifice through which fuel is ejected and the venturi is downstream of the nozzle and has an inlet through which fuel discharged from the orifice flows, a passage downstream of the venturi inlet through which fuel flows to create a drop in pressure in the area of the venturi, and an outlet through which fuel is discharged from the venturi. Fuel is drawn through the pump inlet fuel by the drop in the pressure created in the area of the venturi and the flow controller is downstream of the outlet and has a chamber in which fuel from the venturi outlet is received. The flow controller causes fuel to fill the venturi to ensure performance of the fuel pump.

Abstract translation: 用于燃料系统的燃料泵包括喷嘴，文氏管，泵入口和流量控制器。 喷嘴具有一个孔口，通过该孔口喷射燃料，文丘里管在喷嘴的下游，并且具有一个从孔口排出的燃料的入口流过文丘里管入口下游的通道，燃料通过该通道在其中产生压力下降 文丘里管区域，以及从文氏管排出燃料的出口。 通过在文丘里管区域中产生的压力的下降，燃料被吸入燃料，并且流量控制器在出口的下游，并且具有容纳来自文丘里管出口的燃料的室。 流量控制器使燃料填充文丘里管以确保燃油泵的性能。

公开(公告)号：US20130119567A1

公开(公告)日：2013-05-16

申请号：US13677794

申请日：2012-11-15

Applicant: WALBRO ENGINE MANAGEMENT, L.L.C.

Inventor： Michael P. Burns ,  Dale P. Kus ,  Paul S. Learman

IPC: F02M9/12

CPC classification number: F02M9/12 ,  F02M1/185

Abstract: A purge and prime assembly for a carburetor includes a purge and prime pump that alternately takes in and discharges fluid, and a plurality of passages through which fluid is routed. The passages may include a purge passage through which fluid is drawn by the purge and prime pump, a return passage through which fluid is discharged from the purge and prime pump and discharged from the carburetor, and a priming passage through which a portion of the fluid discharged from the purge and prime pump is routed to a main bore of the carburetor. The assembly may also include a purge valve that prevents fluid from being discharged from the purge prime pump through the purge passage, and a return valve that prevents fluid in the return passage from being drawn into the purge and prime pump.

Abstract translation: 用于化油器的吹扫和主组件包括交替地吸入和排出流体的吹扫和主泵，以及流体被路由的多个通道。 通道可以包括净化通道，通过该清洗通道，流体被吹扫和初始泵吸入，流体从吹扫和初级泵排出并从化油器排出的返回通道，以及一个启动通道，一部分流体 从吹扫排出的主泵被送到化油器的主孔。 该组件还可以包括一个净化阀，其防止流体通过净化通道从清洗原料泵排出;以及止回阀，该止回阀防止回流通道中的流体被吸入净化泵和主泵。