GB1430427A - Fuel-air ratio control for governor-controlled engines - Google Patents
Fuel-air ratio control for governor-controlled enginesInfo
- Publication number
- GB1430427A GB1430427A GB2259273A GB2259273A GB1430427A GB 1430427 A GB1430427 A GB 1430427A GB 2259273 A GB2259273 A GB 2259273A GB 2259273 A GB2259273 A GB 2259273A GB 1430427 A GB1430427 A GB 1430427A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- fuel
- manifold
- engine
- shoulder
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
- F02D2700/02—Controlling by changing the air or fuel supply
- F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
- F02D2700/0282—Control of fuel supply
- F02D2700/0284—Control of fuel supply by acting on the fuel pump control element
- F02D2700/0287—Control of fuel supply by acting on the fuel pump control element depending on several parameters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
1430427 Controlling 1C engines CATTERPILLAR TRACTOR CO 11 May 1973 [19 May 1972] 22592/73 Heading F1B An engine having a governor controlled fuel adjusting member 17 movable in a first direction, to the right in Fig. 1, to increase fuel supply incorporates a fuel-air ratio control device adapted to selectively over-ride the governor, the control device comprising pressure responsive means 68, 76 responsive to intake manifold pressure, a servounit 46 connected with the pressure responsive means and engageable with the member 17 to restrain movement of the latter under certain engine operating conditions. Resilient biasing means are arranged on opposite sides of the pressure responsive means and hold it in a normally balanced condition so that the servo unit 46 does not restrain the fuel adjusting member 17 during normal engine operation or during cranking but does restrain it upon a reduction in manifold airpressure to a sufficiently low value during engine operation. Air is supplied to intake manifold 30 by an engine driven supercharger 31 and pressurized fluid, e.g. engine lubrication oil, is supplied to an inlet 40 to chamber 53 to the right of piston 47 of servo unit 46. Prior to starting, the piston 47 and diaphragm 76 to which a valve spool 63 with lands 64, 65 is attached, are held apart by springs 72, 73 as in Fig. 1. During and immediately after starting, this position is maintained and fluid supplied to chamber 53 drains off via passages 56, 57, 60. As engine speed rises, the air-pressure in the intake manifold pushes diaphragm 76 and spool 63 to the right covering passages 56 so that fluid-pressure in chamber 53 pushes piston 47 to the left so that the shoulder 49a engages a stop 20 and moves the member 17 to a decreased fuel position as in Fig. 2. Under normal operating conditions, fluid drain is metered from chamber 53 by land 64 of spool 53 and drains via passages 74a and 75. In the engines idle condition, the spool 63 and hence the piston 47 and the shoulder 49a are moved further to the left. Anti-clockwise rotation of lever 28 is therefore not effective to increase fuel supply. If a reduced pressure occurred momentarily in manifold 30 e.g. under acceleration from low speed at light load, diaphragm 76 and hence servo unit 46 would be moved leftwards causing shoulder 49a to engage stop 20 as the latter tended to move to the right to meet the demand for more fuel. Increase of engine speed would increase pressure in manifold 30 so that spool 63 would move to the right opening passages 56. The fuel adjusting member 17 could then pull the servo unit 46 to the right. Under normal operating conditions the shoulder 49a does not restrict movement of member 17, but if the load rises enough to decrease the engine speed the consequential reduction of pressure in the manifold leads to the shoulder 49a being moved to a position which restrains stop 20 to prevent a disproportionately large increase in the amount of fuel injected relative to the available air. In another embodiment, Fig. 3 (not shown), the springs 72 and 73 are replaced by springs (80), (84) and (86) with different rates to enable the diaphragm 76 to respond more accurately to pressure variations in manifold 30.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25485272A | 1972-05-19 | 1972-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1430427A true GB1430427A (en) | 1976-03-31 |
Family
ID=22965842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2259273A Expired GB1430427A (en) | 1972-05-19 | 1973-05-11 | Fuel-air ratio control for governor-controlled engines |
Country Status (6)
Country | Link |
---|---|
US (1) | US3795233A (en) |
JP (1) | JPS5817337B2 (en) |
BE (1) | BE799730A (en) |
CA (1) | CA988384A (en) |
DE (1) | DE2326083C2 (en) |
GB (1) | GB1430427A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3313732A1 (en) * | 1983-04-15 | 1984-10-18 | Klöckner-Humboldt-Deutz AG, 5000 Köln | DEVICE FOR CONTROLLING THE CONTROL ROD STOP OF A FUEL INJECTION PUMP |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3981285A (en) * | 1972-08-19 | 1976-09-21 | Robert Bosch G.M.B.H. | Fuel control system for supercharged, fuel injected internal combustion engines |
JPS5257295Y2 (en) * | 1973-03-05 | 1977-12-26 | ||
JPS5316851B2 (en) * | 1973-10-17 | 1978-06-03 | ||
US3916862A (en) * | 1973-10-26 | 1975-11-04 | Caterpillar Tractor Co | Torque rise limiting device |
US3915140A (en) * | 1974-03-20 | 1975-10-28 | Caterpillar Tractor Co | Governor with stabilizing means |
US4068642A (en) * | 1975-11-14 | 1978-01-17 | Caterpillar Tractor Co. | Fuel ratio control with manually operated air override |
US4157701A (en) * | 1977-06-15 | 1979-06-12 | Hewitt John T | Diesel engine control means |
US4149507A (en) * | 1977-10-27 | 1979-04-17 | Caterpillar Tractor Co. | Fuel-air ratio control with torque-limiting spring for supercharged engines |
DE2854422A1 (en) * | 1978-12-16 | 1980-07-03 | Bosch Gmbh Robert | FUEL INJECTION SYSTEM FOR DIESEL INTERNAL COMBUSTION ENGINES, ESPECIALLY FOR VEHICLE DIESEL ENGINES |
JPS6146186Y2 (en) * | 1980-06-09 | 1986-12-25 | ||
US4389991A (en) * | 1980-09-11 | 1983-06-28 | Caterpillar Tractor Co. | Rotation sensitive pressure regulator |
EP0060244B1 (en) * | 1980-09-11 | 1985-01-09 | Caterpillar Tractor Co. | Rotation sensitive pressure regulator |
US4343276A (en) * | 1981-01-16 | 1982-08-10 | Cummins Engine Company, Inc. | Turbocharger boost feedback control for engine governor |
JPS588721U (en) * | 1981-07-08 | 1983-01-20 | キヤタピラ−三菱株式会社 | Output multi-stage control governor |
DE3139789A1 (en) * | 1981-10-07 | 1983-04-21 | Robert Bosch Gmbh, 7000 Stuttgart | FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES |
DE3146132A1 (en) * | 1981-11-21 | 1983-06-01 | Robert Bosch Gmbh, 7000 Stuttgart | FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES |
DE3146499A1 (en) * | 1981-11-24 | 1983-06-01 | Robert Bosch Gmbh, 7000 Stuttgart | FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES |
DE3210903A1 (en) * | 1982-03-25 | 1983-09-29 | Klöckner-Humboldt-Deutz AG, 5000 Köln | CONTROL DEVICE FOR A DIESEL ENGINE |
US4640247A (en) * | 1985-02-04 | 1987-02-03 | Caterpillar Inc. | Air-fuel ratio control system having a fluid-powered broken-link mechanism |
DE3543334A1 (en) * | 1985-03-09 | 1986-09-11 | Robert Bosch Gmbh, 7000 Stuttgart | PNEUMATIC DIAPHRAGM ACTUATOR FOR A FUEL INJECTION DEVICE OF INTERNAL COMBUSTION ENGINES |
EP0253483A3 (en) * | 1986-07-14 | 1989-04-12 | Cummins Engine Company, Inc. | An air fuel control, and a plunger and barrel assembly for a fuel system, either for an internal combustion engine |
US4869219A (en) * | 1986-07-14 | 1989-09-26 | Cummins Engine Company, Inc. | Dual spring air fuel control for the PT fuel system |
US5092299A (en) * | 1990-11-30 | 1992-03-03 | Cummins Engine Company, Inc. | Air fuel control for a PT fuel system |
DE4432635A1 (en) * | 1994-09-14 | 1996-03-21 | Bosch Gmbh Robert | Fuel injection device for a two-stroke internal combustion engine |
US6076501A (en) * | 1998-09-17 | 2000-06-20 | Caterpillar Inc. | Min/Max speed governor for an internal combustion engine |
US6431143B1 (en) * | 2000-12-08 | 2002-08-13 | Stanadyne Corporation | Aneroid control for fuel injection pump |
NL2003099C2 (en) * | 2009-06-29 | 2010-12-30 | Univ Delft Tech | A direct injection two-stroke engine. |
CN103147861B (en) * | 2013-03-13 | 2015-11-25 | 重庆康明斯发动机有限公司 | A kind of diesel engine starting smoke intensity controlling method and diesel engine starting smoke intensity control gear |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2767700A (en) * | 1955-04-26 | 1956-10-23 | Caterpillar Tractor Co | Fuel control for supercharged engines |
US2835240A (en) * | 1956-11-29 | 1958-05-20 | Studebaker Packard Corp | Control for fuel injection system |
US3077873A (en) * | 1961-08-04 | 1963-02-19 | Caterpillar Tractor Co | Pressure actuated fuel control for supercharged engines |
US3313283A (en) * | 1965-06-04 | 1967-04-11 | Caterpillar Tractor Co | Fuel ratio control override |
-
1972
- 1972-05-19 US US00254852A patent/US3795233A/en not_active Expired - Lifetime
-
1973
- 1973-05-02 CA CA170,269A patent/CA988384A/en not_active Expired
- 1973-05-11 GB GB2259273A patent/GB1430427A/en not_active Expired
- 1973-05-18 BE BE131273A patent/BE799730A/en unknown
- 1973-05-19 JP JP48056241A patent/JPS5817337B2/en not_active Expired
- 1973-05-19 DE DE2326083A patent/DE2326083C2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3313732A1 (en) * | 1983-04-15 | 1984-10-18 | Klöckner-Humboldt-Deutz AG, 5000 Köln | DEVICE FOR CONTROLLING THE CONTROL ROD STOP OF A FUEL INJECTION PUMP |
Also Published As
Publication number | Publication date |
---|---|
BE799730A (en) | 1973-11-19 |
US3795233A (en) | 1974-03-05 |
JPS5817337B2 (en) | 1983-04-06 |
JPS4941731A (en) | 1974-04-19 |
DE2326083A1 (en) | 1973-12-06 |
DE2326083C2 (en) | 1983-07-07 |
CA988384A (en) | 1976-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |