JP2007023829A - 膜式気化器 - Google Patents
膜式気化器 Download PDFInfo
- Publication number
- JP2007023829A JP2007023829A JP2005204546A JP2005204546A JP2007023829A JP 2007023829 A JP2007023829 A JP 2007023829A JP 2005204546 A JP2005204546 A JP 2005204546A JP 2005204546 A JP2005204546 A JP 2005204546A JP 2007023829 A JP2007023829 A JP 2007023829A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- chamber
- pump
- constant
- bubble
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/02—Floatless carburettors
- F02M17/04—Floatless carburettors having fuel inlet valve controlled by diaphragm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/19—Degassers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/81—Percolation control
Abstract
【解決手段】 エンジンのクランク室または吸気管に発生する脈動圧力を駆動力とする燃料ポンプ21と、ダイヤフラム6およびレバー機構を有し所要の燃料圧力を維持するための定燃料室7とを備えた膜式気化器1であって、定燃料室7と燃料計量通路以外の所定の排出先とを接続し入口側および出口側にそれぞれ逆止弁41a,41bを備えた気泡排出路41と、気泡排出路41に接続され運転者によるスロットル軸50Aの閉じまたは開き操作に連動して気泡を定燃料室7から気泡排出路41に吸込ませスロットル軸50Aの開きまたは閉じ操作に連動して吸い込んだ気泡を排出先に排出させる気泡除去ポンプ40Aとを備えたものとした。
【選択図】 図1
Description
Claims (2)
- エンジンのクランク室または吸気管に発生する脈動圧力を駆動力とする燃料ポンプと、ダイヤフラムおよびレバー機構を有し所要の燃料圧力を維持するための定燃料室とを備えた膜式気化器において、前記定燃料室と燃料計量通路以外の所定の排出先とを接続するとともに入口側および出口側にそれぞれ逆止弁を備えた気泡排出路と、該気泡排出路に接続され運転者によるスロットル軸の閉じ操作に連動して気泡を前記定燃料室から前記気泡排出路に吸込ませスロットル軸の開き操作に連動して吸い込んだ気泡を前記排出先に排出させるポンプ機構とを備えている、ことを特徴とする膜式気化器。
- エンジンのクランク室または吸気管に発生する脈動圧力を駆動力とする燃料ポンプと、ダイヤフラムおよびレバー機構を有し所要の燃料圧力を維持するための定燃料室とを備えた膜式気化器において、前記定燃料室と燃料計量通路以外の所定の排出先とを接続するとともに入口側および出口側にそれぞれ逆止弁を備えた気泡排出路と、該気泡排出路に接続され運転者によるスロットル軸の開き操作に連動して気泡を前記定燃料室から前記気泡排出路に吸込ませスロットル軸の閉じ操作に連動して吸い込んだ気泡を前記排出先に排出させるポンプ機構とを備えている、ことを特徴とする膜式気化器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005204546A JP4560790B2 (ja) | 2005-07-13 | 2005-07-13 | 膜式気化器 |
US11/484,702 US7309061B2 (en) | 2005-07-13 | 2006-07-12 | Diaphragm-type carburetors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005204546A JP4560790B2 (ja) | 2005-07-13 | 2005-07-13 | 膜式気化器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007023829A true JP2007023829A (ja) | 2007-02-01 |
JP4560790B2 JP4560790B2 (ja) | 2010-10-13 |
Family
ID=37660955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005204546A Expired - Fee Related JP4560790B2 (ja) | 2005-07-13 | 2005-07-13 | 膜式気化器 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7309061B2 (ja) |
JP (1) | JP4560790B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2399494T3 (es) * | 2008-03-25 | 2013-04-01 | Honda Motor Co., Ltd. | Dispositivo de suministro de combustible para motor |
JP2010133253A (ja) * | 2008-12-02 | 2010-06-17 | Zama Japan Co Ltd | 気化器 |
WO2014052385A1 (en) * | 2012-09-28 | 2014-04-03 | Walbro Engine Management, L.L.C. | Carburetor supplemental fuel supply |
DE112014001291T5 (de) * | 2013-03-14 | 2015-12-03 | Walbro Engine Management L.L.C. | Elektronisch gesteuertes System zur Anreicherung von Kraftstoff |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09177614A (ja) * | 1995-12-21 | 1997-07-11 | Nippon Walbro:Kk | 携帯作業機用4行程機関の膜型気化器 |
JP2000192851A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Walbro:Kk | ロ―タリ絞り弁式膜型気化器の加速装置 |
JP2000297702A (ja) * | 1999-04-13 | 2000-10-24 | Nippon Walbro:Kk | 膜型気化器の燃料蒸気排出構造 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037751A (en) * | 1959-07-20 | 1962-06-05 | Tillotson Mfg Co | Charge forming method and apparatus |
US3738622A (en) * | 1971-01-13 | 1973-06-12 | Walbro Corp | Vapor-free carburetor |
JPS502775B1 (ja) * | 1971-03-11 | 1975-01-29 | ||
US4563311A (en) * | 1984-02-23 | 1986-01-07 | Mcculloch Corporation | Carburetor valve |
JPH036851Y2 (ja) * | 1985-07-26 | 1991-02-20 | ||
JPS62247164A (ja) * | 1986-04-18 | 1987-10-28 | Walbro Far East Inc | 内燃機関のためのダイヤフラム型気化器 |
JPS6361568U (ja) * | 1986-10-09 | 1988-04-23 | ||
US4824613A (en) * | 1988-01-25 | 1989-04-25 | Tillotson, Ltd. | Vapor return primer for carburetors of internal combustion engines |
JP3292279B2 (ja) | 1995-12-06 | 2002-06-17 | 株式会社日本ウォルブロー | 4行程内燃機関用膜型気化器 |
US6439546B1 (en) * | 2000-08-29 | 2002-08-27 | Walbro Corporation | Carburetor with fuel vapor control |
DE10120127B4 (de) * | 2001-04-25 | 2012-07-12 | Andreas Stihl Ag & Co. | Membranvergaser |
JP2003166444A (ja) | 2001-11-30 | 2003-06-13 | Walbro Japan Inc | 膜式気化器 |
-
2005
- 2005-07-13 JP JP2005204546A patent/JP4560790B2/ja not_active Expired - Fee Related
-
2006
- 2006-07-12 US US11/484,702 patent/US7309061B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09177614A (ja) * | 1995-12-21 | 1997-07-11 | Nippon Walbro:Kk | 携帯作業機用4行程機関の膜型気化器 |
JP2000192851A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Walbro:Kk | ロ―タリ絞り弁式膜型気化器の加速装置 |
JP2000297702A (ja) * | 1999-04-13 | 2000-10-24 | Nippon Walbro:Kk | 膜型気化器の燃料蒸気排出構造 |
Also Published As
Publication number | Publication date |
---|---|
US7309061B2 (en) | 2007-12-18 |
JP4560790B2 (ja) | 2010-10-13 |
US20070013085A1 (en) | 2007-01-18 |
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