GB777012A - Improvements in or relating to fuel injection equipment - Google Patents
Improvements in or relating to fuel injection equipmentInfo
- Publication number
- GB777012A GB777012A GB24065/55A GB2406555A GB777012A GB 777012 A GB777012 A GB 777012A GB 24065/55 A GB24065/55 A GB 24065/55A GB 2406555 A GB2406555 A GB 2406555A GB 777012 A GB777012 A GB 777012A
- Authority
- GB
- United Kingdom
- Prior art keywords
- port
- piston
- chamber
- communicates
- shaft
- 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
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
- F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
- F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
- F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
- F02M41/128—Varying injection timing by angular adjustment of the face-cam or the rollers support
-
- 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
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
- F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
- F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
- F02M41/121—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor with piston arranged axially to driving shaft
-
- 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
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
- F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
- F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
- F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
- F02M41/124—Throttling of fuel passages to or from the pumping chamber
Abstract
777,012. Fuel injection pumps. BOSCH GES., R. Aug. 22, 1955 [Sept. 11, 1954], No. 24065/55. Class 102(1) In a fuel injection pump having a rotatable driving shaft 3 coupled with. a cam disc 18 having a cam tack on one face and adapted to drive a combined injection pump and distributer member 22 with both rotary and axially reciprocatory movement, a fuel feed pump for the injection pump comprising a piston 5 and cylindrical bore 4 is disposed within the shaft 3 the piston 5 being coupled to the distributer member 22 so as to follow the reciprocatory movement thereof. On the outward stroke of the piston 5 the cylinder 4 communicates by a port 6 with a port 7 and the inlet passage 10; on the inward stroke the port 6 communicates with an outlet port 8 and a chamber 12. The cam disc 18 is driven from the shaft 3 by means of a tongue 19 which also has a T slot engaged by the piston 5. Rotatably mounted on the shaft 3 is a; control ring 15 on which are mounted rollers engaging the cam face of the disc 18. A spring 43 maintains contact betwen the cam face and the rollers. The ring 15 is angularly adjustable by means of a pin 45 engaging with an inclined slot in a member 49 connected to a piston 48 the upper end of which is subjected to pressure in the chamber 12, this pressure being opposed by a spring 51. The member 22 rotates and reciprocates in a pump member 21 having a fuel inlet 37 connected through a filter 75 having a release valve 76, to a fuel outlet 73 communicating with the chamber 12. The inlet 37 communicates with a bore 36 via a throttle 39 adjustable by means of a governor 62 driven through gearing 56, 55 from the shaft 3. On the suction stroke of the member 22 a port 34 therein communicates with the passage 36 which communication is cut off during the pressure stroke and delivery takes place through a valve 29 to a chamber 32 within the member 22 which chamber 32 communicates via a port 35 with the fuel outlet passages 40 as the member 22 rotates. The governor spring- 63 is adjustable by means of a lever 67 and adjustable stops 68, 69. The governor housing 59 and pump housing 21 with the associated components may be readily removed and replaced.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE777012X | 1954-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB777012A true GB777012A (en) | 1957-06-12 |
Family
ID=6686653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24065/55A Expired GB777012A (en) | 1954-09-11 | 1955-08-22 | Improvements in or relating to fuel injection equipment |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB777012A (en) |
-
1955
- 1955-08-22 GB GB24065/55A patent/GB777012A/en not_active Expired
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