JP3780365B2 - 燃料フィルタ連結口の逆流防止装置 - Google Patents
燃料フィルタ連結口の逆流防止装置 Download PDFInfo
- Publication number
- JP3780365B2 JP3780365B2 JP2003431515A JP2003431515A JP3780365B2 JP 3780365 B2 JP3780365 B2 JP 3780365B2 JP 2003431515 A JP2003431515 A JP 2003431515A JP 2003431515 A JP2003431515 A JP 2003431515A JP 3780365 B2 JP3780365 B2 JP 3780365B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel filter
- connection port
- prevention device
- backflow prevention
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims description 144
- 230000002265 prevention Effects 0.000 title claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 239000002828 fuel tank Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/153—Anti-leakage or anti-return valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7504—Removable valve head and seat unit
- Y10T137/7668—Retained by bonnet or closure
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Check Valves (AREA)
Description
この燃料ラインには、燃料タンク側からエンジン側に流れる燃料供給ラインと、エンジン側に供給されて余剰となった燃料を燃料タンク側に戻す燃料リターンラインとがある。
この逆流防止装置40は、断面図に示されるように、ボディ41の一側に、燃料フィルタ30の連結口32に差込まれる燃料フィルタ側の連結部42を形成し、また、他の一側に、燃料ライン20が連結される燃料ライン側連結部43を形成している。
オイル室44を設けるために、燃料フィルタ側連結部42は、円筒状に形成される。燃料フィルタ側連結部42の一側では、燃料ライン20を通じて燃料タンクからポンピングされた高圧の燃料が流入される場合、加圧力が伝達され得るように稼動可能な1次ピストン45として、壁が構成される。
30 燃料フィルタ
32 連結口
34 燃料フィルタ内の燃料管
36 燃料通孔
40 逆流防止装置
41 ボディ
42 燃料フィルタ側連結部
44 オイル室
45 1次ピストン
46 2次ピストン
47 燃料流孔
48 スナップリング
50 遮断バルブ
52 スプリング
53 パッキング
Claims (4)
- 燃料フィルタの連結口に差込まれる燃料フィルタ側連結部と燃料ラインが連結される燃料ライン側連結部とが形成されたボディと;
前記ボディの燃料フィルタ側連結部の内周縁側に収容される1次ピストンと2次ピストンとの間に設けられるオイル室と;
前記オイル室の外側に放射状方向に複数形成され、その入口が前記1次ピストンによって開閉され、その出口を通過した燃料が燃料フィルタ内の燃料管に流れるように形成される燃料流孔と;
燃料フィルタ内の燃料管と前記連結口との間の燃料通孔を開閉するバルブ面が一端に備えられ、他の一端に互いに反対方向の力が加えられる2次ピストンとスプリングとがそれぞれ連結される遮断バルブと;を含んで構成されることを特徴とする燃料フィルタ連結口の逆流防止装置。 - 前記オイル室は、前記1次ピストンと2次ピストンとの作動方向が互いに反対になされるように、前記2次ピストンが収容される側のオイル室が二重の円筒形状に形成され、その先端部位の内側に折曲された形状に形成されていることを特徴とする請求項1に記載の燃料フィルタ連結口の逆流防止装置。
- 前記遮断バルブのバルブ面内側には気密性能向上のためのゴム材のパッキングが介在されることを特徴とする請求項1に記載の燃料フィルタ連結口の逆流防止装置。
- 前記1次ピストンの離脱防止のために前記ボディの内周面にはスナップリングが介在されることを特徴とする請求項1に記載の燃料フィルタ連結口の逆流防止装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030066789A KR100559602B1 (ko) | 2003-09-26 | 2003-09-26 | 연료필터 연결구의 역류방지장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005106045A JP2005106045A (ja) | 2005-04-21 |
JP3780365B2 true JP3780365B2 (ja) | 2006-05-31 |
Family
ID=34374183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003431515A Expired - Fee Related JP3780365B2 (ja) | 2003-09-26 | 2003-12-25 | 燃料フィルタ連結口の逆流防止装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7150825B2 (ja) |
JP (1) | JP3780365B2 (ja) |
KR (1) | KR100559602B1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2471919A1 (en) | 2005-10-28 | 2012-07-04 | Tosoh Corporation | Method of preparing carotenoid synthesizing microorganism and method of producing carotenoids |
CN101975674B (zh) * | 2010-09-10 | 2012-05-02 | 航空工业总公司过滤与分离机械产品质量监督检测中心 | 用于过滤器过滤效率试验的通用接口 |
JP5461506B2 (ja) * | 2011-11-07 | 2014-04-02 | 本田技研工業株式会社 | 油路の接続構造 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756771A (en) * | 1951-05-25 | 1956-07-31 | Sperry Gyroscope Co Ltd | Pressure-regulating valves for hydraulic systems |
US3045695A (en) * | 1959-03-23 | 1962-07-24 | Oilgear Co | Piston operated relief valve |
US3289841A (en) * | 1962-12-26 | 1966-12-06 | Michigan Dynamics Inc | Bidirectional filter |
US3452776A (en) * | 1967-07-14 | 1969-07-01 | Baker Oil Tools Inc | Pressure control valve |
US3926806A (en) * | 1974-06-10 | 1975-12-16 | Schroeder Brothers | No-bypass filter system |
DE3425347A1 (de) * | 1984-07-10 | 1986-01-16 | Robert Bosch Gmbh, 7000 Stuttgart | Filter zum reinigen von fluessigkeiten |
US4997555A (en) * | 1985-05-14 | 1991-03-05 | Parker Hannifin Corporation | Fuel filter assembly with heater |
JPH08210211A (ja) | 1995-02-03 | 1996-08-20 | Nippondenso Co Ltd | 内燃機関用燃料フィルタ装置 |
-
2003
- 2003-09-26 KR KR1020030066789A patent/KR100559602B1/ko not_active IP Right Cessation
- 2003-12-25 JP JP2003431515A patent/JP3780365B2/ja not_active Expired - Fee Related
- 2003-12-30 US US10/749,239 patent/US7150825B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20050030733A (ko) | 2005-03-31 |
JP2005106045A (ja) | 2005-04-21 |
US20050067335A1 (en) | 2005-03-31 |
US7150825B2 (en) | 2006-12-19 |
KR100559602B1 (ko) | 2006-03-10 |
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