GB720431A - Improvements in or relating to means for automatically stopping internal combustion engines - Google Patents
Improvements in or relating to means for automatically stopping internal combustion enginesInfo
- Publication number
- GB720431A GB720431A GB1760452A GB1760452A GB720431A GB 720431 A GB720431 A GB 720431A GB 1760452 A GB1760452 A GB 1760452A GB 1760452 A GB1760452 A GB 1760452A GB 720431 A GB720431 A GB 720431A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- reservoir
- engine
- latch
- feed pump
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
- F02M63/0215—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by draining or closing fuel conduits
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
720,431. Engine stop-gear. DAVEY, PAXMAN & GO., Ltd. May 20, 1953 [July 11, 1952], No. 17604/52. Class 122 (4). An internal combustion engine wherein the fuel is normally pumped to the fuel-injection pump 10 by a feed pump 12 drawing from a reservoir 9 is automatically stopped, if an operating condition of the engine becomes abnormal, by reversing the direction of flow of fuel between the feed and injection pumps by means of a valve 1 slidable in a ported casing 3 adapted to be connected to the reservoir, the injection pump, and the inlet and outlet of the feed pump. The valve 1 is biased towards its operative position by a compression spring 21 and maintained in its inoperative position, as shown in Fig. 1, by a latch 23. The casing wall has five ports 4, 5, 6, 7 and 8 therein connected respectively to the reservoir 9, the injection pump 10, the feed pump outlet 11, the feed pump inlet 13 and the reservoir 9, and the valve has two axially spaced longitudinal grooves 16 and 18 opening at one end into channels 15 and 17 respectively formed in the valve surface. During normal engine running the valve is in its inoperative condition and the feed pump 12 draws fuel from the reservoir 9 via port 4, channel 15, groove 16 and port 7 and discharges it to the injection pump via port 6, channel 17, groove 18 and port 5. In the event of an abnormal operating condition such as engine overspeed, failure of lubricating-oil pressure or overheating of the lubricating oil or cooling water, the latch 23 is automatically released and the valve is moved to its operative position in which port 4 is closed and the feed pump draws fuel from the injection pump via ports 5 and 7 and channel 15 and discharges to the reservoir 9 via ports 6 and 8 and channel 17. A mechanism is described, Fig. 3 (not shown), in which the latch 23 is disengaged at a predetermined engine speed by a centrifugally operated spring-loaded trip lever driven from the engine shaft. The latch may be operated by a solenoid or thermostatic or pressure-responsive device, or the latch and coil spring 21 may be omitted and the valve 1 actuated by a solenoid controlled by a switch operated by the engine tachometer or a thermostatic or pressure-responsive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1760452A GB720431A (en) | 1952-07-11 | 1952-07-11 | Improvements in or relating to means for automatically stopping internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1760452A GB720431A (en) | 1952-07-11 | 1952-07-11 | Improvements in or relating to means for automatically stopping internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB720431A true GB720431A (en) | 1954-12-22 |
Family
ID=10098061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1760452A Expired GB720431A (en) | 1952-07-11 | 1952-07-11 | Improvements in or relating to means for automatically stopping internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB720431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012450A1 (en) * | 1978-12-18 | 1980-06-25 | Wytwornia Silnikow Wysokopreznych "PZL-Andrychow" | Overspeed preventing device for a fuel injection combustion engine |
| WO1990012207A1 (en) * | 1989-04-08 | 1990-10-18 | Robert Bosch Gmbh | Control device for stopping an internal combustion engine |
-
1952
- 1952-07-11 GB GB1760452A patent/GB720431A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012450A1 (en) * | 1978-12-18 | 1980-06-25 | Wytwornia Silnikow Wysokopreznych "PZL-Andrychow" | Overspeed preventing device for a fuel injection combustion engine |
| WO1990012207A1 (en) * | 1989-04-08 | 1990-10-18 | Robert Bosch Gmbh | Control device for stopping an internal combustion engine |
| US5076227A (en) * | 1989-04-08 | 1991-12-31 | Robert Bosch Gmbh | Arrangement for controlling fuel flow to an internal-combustion engine |
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