CA1060293A - Back draft carburetor for two-cycle engines - Google Patents
Back draft carburetor for two-cycle enginesInfo
- Publication number
- CA1060293A CA1060293A CA251,660A CA251660A CA1060293A CA 1060293 A CA1060293 A CA 1060293A CA 251660 A CA251660 A CA 251660A CA 1060293 A CA1060293 A CA 1060293A
- Authority
- CA
- Canada
- Prior art keywords
- fuel
- vacuum source
- carburetor
- throttle valve
- orifice
- 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
Links
- 239000000446 fuel Substances 0.000 claims abstract description 80
- 230000000694 effects Effects 0.000 claims abstract description 19
- 239000012298 atmosphere Substances 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 4
- 230000003292 diminished effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000001133 acceleration Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 241000271460 Crotalus cerastes Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241001417518 Rachycentridae Species 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/10—Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means
- F02M7/11—Altering float-chamber pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
-
- 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
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/23—Fuel aerating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- 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
- Y10S261/67—Carburetors with vented bowl
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/585,864 US4040399A (en) | 1975-06-11 | 1975-06-11 | Back draft carburetor for two cycle engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1060293A true CA1060293A (en) | 1979-08-14 |
Family
ID=24343289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA251,660A Expired CA1060293A (en) | 1975-06-11 | 1976-05-03 | Back draft carburetor for two-cycle engines |
Country Status (6)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1104376B (it) * | 1978-01-30 | 1985-10-21 | Oleo Mac Spa | Dispositivo particolarmente per carburatori del tipo a membrana atto ad assicurare il corretto funzionamento del corrispondente motore a scoppio anche quando quest ultimo e parzialmente ovvero completamente immerso in un liquido in particolare acqua |
| JPS5540258A (en) * | 1978-09-14 | 1980-03-21 | Toyota Motor Corp | Carbureter |
| US4254064A (en) * | 1979-08-02 | 1981-03-03 | Kohler Co. | Carburetor starting mixture control |
| JPS5728852A (en) * | 1980-07-26 | 1982-02-16 | Fuji Heavy Ind Ltd | Fuel reduction apparatus of carburetor |
| US4376738A (en) * | 1981-09-11 | 1983-03-15 | Reinmuth A I | Carburetion control apparatus |
| GB8724612D0 (en) * | 1987-10-21 | 1987-11-25 | Barrus Ltd E P | Carburettor |
| US4836506A (en) * | 1988-04-04 | 1989-06-06 | Brunswick Corporation | Valve control for back draft carburetor |
| US4971004A (en) * | 1989-08-24 | 1990-11-20 | Brunswick Corporation | Deceleration enrichener system |
| US5273008A (en) * | 1992-08-17 | 1993-12-28 | Tecumseh Products Company | Balance vent for an internally vented float bowl carbuetor |
| US5309875A (en) * | 1992-12-24 | 1994-05-10 | Tecumseh Products Company | Internally vented float bowl carburetor having a cold start vent conduit |
| US8333366B2 (en) | 2010-03-08 | 2012-12-18 | Briggs & Stratton Corporation | Carburetor including one-piece fuel-metering insert |
| US10018136B1 (en) | 2017-05-17 | 2018-07-10 | Brunswick Corporation | Method and control system for controlling a marine internal combustion engine |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1620827A (en) * | 1927-03-15 | Carburetor | ||
| US1505565A (en) * | 1915-11-26 | 1924-08-19 | Chester F Johnson | Carburetor |
| US1785681A (en) * | 1925-03-14 | 1930-12-16 | Goudard Felix | Carburetor |
| US1799585A (en) * | 1925-10-06 | 1931-04-07 | Ensign Carburetor Company | Carburetor |
| US1805763A (en) * | 1926-06-22 | 1931-05-19 | Ensign Carburetor Co Ltd | Carburetor |
| US1740917A (en) * | 1926-07-07 | 1929-12-24 | Myron Hurbough | Carburetor for internal-combustion engines |
| FR703060A (fr) * | 1930-03-15 | 1931-04-23 | Dispositif applicable aux carburateurs pour moteurs à combustion de tous genres à charge variable | |
| US2023647A (en) * | 1930-03-15 | 1935-12-10 | Schmid Carl | Carburetor |
| US1945189A (en) * | 1931-11-23 | 1934-01-30 | Bendix Aviat Corp | Carburetor |
| US2029142A (en) * | 1933-03-15 | 1936-01-28 | Wemhoner Wilhelm | Carburetor for combustion engines |
| US2750171A (en) * | 1953-11-02 | 1956-06-12 | Holley Carburetor Co | Carburetor |
| US2752136A (en) * | 1953-11-23 | 1956-06-26 | Holley Carburetor Co | Carburetor control valve |
| US2906251A (en) * | 1956-07-25 | 1959-09-29 | Outboard Marine & Mfg Co | Fuel economizing speed control for engines |
| US3037751A (en) * | 1959-07-20 | 1962-06-05 | Tillotson Mfg Co | Charge forming method and apparatus |
| JPS432648Y1 (US20110009641A1-20110113-C00185.png) * | 1964-12-28 | 1968-02-03 | ||
| JPS4984532U (US20110009641A1-20110113-C00185.png) * | 1972-11-10 | 1974-07-22 |
-
1975
- 1975-06-11 US US05/585,864 patent/US4040399A/en not_active Expired - Lifetime
-
1976
- 1976-05-03 CA CA251,660A patent/CA1060293A/en not_active Expired
- 1976-05-11 GB GB19357/76A patent/GB1545916A/en not_active Expired
- 1976-05-13 AU AU13906/76A patent/AU506668B2/en not_active Expired
- 1976-06-09 FR FR7617361A patent/FR2314368A1/fr active Granted
- 1976-06-10 JP JP51068199A patent/JPS5237632A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5237632A (en) | 1977-03-23 |
| AU1390676A (en) | 1977-11-17 |
| US4040399A (en) | 1977-08-09 |
| AU506668B2 (en) | 1980-01-17 |
| FR2314368A1 (fr) | 1977-01-07 |
| GB1545916A (en) | 1979-05-16 |
| JPS618269B2 (US20110009641A1-20110113-C00185.png) | 1986-03-13 |
| FR2314368B1 (US20110009641A1-20110113-C00185.png) | 1978-09-01 |
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