GB817436A - Improvements relating to starting mechanism for internal combustion engines - Google Patents
Improvements relating to starting mechanism for internal combustion enginesInfo
- Publication number
- GB817436A GB817436A GB1217057A GB1217057A GB817436A GB 817436 A GB817436 A GB 817436A GB 1217057 A GB1217057 A GB 1217057A GB 1217057 A GB1217057 A GB 1217057A GB 817436 A GB817436 A GB 817436A
- Authority
- GB
- United Kingdom
- Prior art keywords
- starting
- valve
- engine
- air
- pipe
- 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
- 238000002485 combustion reaction Methods 0.000 title abstract 3
- 230000003750 conditioning Effects 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 230000001050 lubricating Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N1/00—Starting apparatus having hand cranks
- F02N1/005—Safety means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
817,436. Starting. RODICK, A. J., POUNDER, C. C., and REBBECK, Sir F. E. April 15, 1957, No. 12170/57. Class 7(5) In an internal - combustion engine which is set in motion for starting by the admission of compressed air to the engine cylinder combustion spaces through a starting valve assembly which includes a starting valve opened by starting air and closed by a closing air pressure in a pipe line controlled by a pilot valve which is under control of the engine starting and stopping control gear, means for locking the starting mechanism comprises a pneumatic interconnection between the pilot valve and an interlock valve which opens the pipe line to atmosphere when pre-start conditioning apparatus is correctly set for starting the engine thus releasing the closing air pressure and permitting the starting valve to open when the engine control gear is in the start position the interlock valve being controlled by the pre-start conditioning apparatus to pressurize the pipe line and lock the starting valve against opening when the apparatus is not correctly set for starting the engine. The supply of starting air may be prevented if the engine turning gear has been inadvertently left in the engaged position and/or there is a fault in the lubricating and/or cooling systems. When the interlock valve is under control of the engine lubricating and/or cooling system, the interlock valve may be actuated by fluid pressure in the system. As shown with the turning gear 2, 3 in working position the stem of valves A<SP>1</SP>, A<SP>2</SP> is displaced so that the valve A<SP>1</SP> is open and the valve A<SP>2</SP> is closed. If an attempt is made to start the engine by admitting starting air from the reservoir 5 to the starting system and moving the engine control gear to start position the cam 4 will be moved to the position shown in which the pilot valve member 10 is raised off its seat and air under pressure from the reservoir 5 will be admitted to the top of the piston 17 of the starting valve assembly by way of pipe E, interlock valve assembly A and passage 23, pipe D, pilot valve assembly B and pipe F so that the pressure on the top of the piston 17 will hold the starting valve closed on its seat and starting air cannot pass through the pipe 6 to the engine cylinders. When the turning gear is disengaged the valves A<SP>1</SP>, A<SP>2</SP> will be displaced to the right and the pressure in the pipe F is released thus allowing the starting valve to open. In the stop position the valve 10 is lowered and starting air will again hold the starting valve closed.
Publications (1)
Publication Number | Publication Date |
---|---|
GB817436A true GB817436A (en) | 1959-07-29 |
Family
ID=1715876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1217057A Expired GB817436A (en) | 1957-04-15 | Improvements relating to starting mechanism for internal combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB817436A (en) |
-
1957
- 1957-04-15 GB GB1217057A patent/GB817436A/en not_active Expired
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