GB661195A - Improvements in engine starter drive - Google Patents
Improvements in engine starter driveInfo
- Publication number
- GB661195A GB661195A GB1434/49A GB143449A GB661195A GB 661195 A GB661195 A GB 661195A GB 1434/49 A GB1434/49 A GB 1434/49A GB 143449 A GB143449 A GB 143449A GB 661195 A GB661195 A GB 661195A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- clutch
- pinion
- screwshaft
- abutment
- 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
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/025—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the friction type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gear Transmission (AREA)
Abstract
661,195. Turning-gear. BENDIX AVIATION CORPORATION. Jan. 18, 1949 [Jan. 19, 1948], No. 1434/49. Class 7(v) In an engine starter drive comprising a power shaft 2, a driving clutch member 7 splined thereon and having inclined teeth, a screwshaft 4 slidably journalled on the power shaft, a driven clutch member 5 connected to the screwshaft 4 and having correspondingly inclined teeth for co-operating with the teeth of the driving clutch member 7. a pinion 22 threaded in the screwshaft for longitudinal movement into and out of mesh with a gear 23 of an engine to be started, and an abutment member 11 for defining the normal position of the screwshaft 4 and for arresting the gear engaging movement of the pinion 22, the abutment member 11 being carried by the power shaft 2, there is provided spring means, such as helical springs 15, for pressing the driving clutch member into operative engagement with the driven clutch member.. In operation, rotation of the power shaft 2 is transmitted through the ratchet clutch 5, 7, the driven member of which is formed as part of the screwshaft 4, the clutch being at first lightly loaded by the springs 15. The. pinion 22 traverses the shaft 4 into mesh with the engine, gear 23. Should tooth abutment occur the spring 15 will yield and cause the clutch to slip and effect correct indexing. After the pinion is in mesh, the shaft 4 slides leftwardly over shaft 2 until the member 7 engages a series of heavy springs 15a which present a. greater resistance to further movement of shaft 4 and so increase the clutch loading. Further axial movement of the shaft 4 is prevented when it abuts a self-lubricating thrust bearing 29 on the power shaft in which position the clutch loading is a maximum. Whenever normal cranking torque is exceeded either during initial acceleration of the engine or as the result of a backfire, the clutch members will ratchet over each other until the overload ceases. The shaft 4 is retained on the shaft 2 by the abutment 11 between which and the pinion, is located an antidrift spring 25, the front of the pinion being recessed and fitted with a thimble 26, which, in the meshed position, bears against the abutment. The extreme leftward position of the pinion is defined by a backstop 24 attached to the screw shaft 4.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US661195XA | 1948-01-19 | 1948-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB661195A true GB661195A (en) | 1951-11-21 |
Family
ID=22067364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1434/49A Expired GB661195A (en) | 1948-01-19 | 1949-01-18 | Improvements in engine starter drive |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB661195A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106895133A (en) * | 2015-12-17 | 2017-06-27 | 罗伯特·博世有限公司 | For the gear shaft and engine starter of engine starter |
-
1949
- 1949-01-18 GB GB1434/49A patent/GB661195A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106895133A (en) * | 2015-12-17 | 2017-06-27 | 罗伯特·博世有限公司 | For the gear shaft and engine starter of engine starter |
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