SU501188A1 - Distributor fuel pump for internal combustion engine - Google Patents
Distributor fuel pump for internal combustion engineInfo
- Publication number
- SU501188A1 SU501188A1 SU1908703A SU1908703A SU501188A1 SU 501188 A1 SU501188 A1 SU 501188A1 SU 1908703 A SU1908703 A SU 1908703A SU 1908703 A SU1908703 A SU 1908703A SU 501188 A1 SU501188 A1 SU 501188A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- plunger
- internal combustion
- combustion engine
- fuel pump
- distributor fuel
- Prior art date
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
1one
Изобретение относитс к области двигателестроени , в частности к устройствам дл подачи топлива.The invention relates to the field of engine-building, in particular to devices for fuel supply.
Известны распределительные топливные насосы дл двигател внутреннего сгорани , содержащие корпус с размещенным во втулке плунжером, снабженным подп тником и св занным шлицами С приводом дл вращени .Distribution fuel pumps for an internal combustion engine are known, comprising a housing with a plunger housed in a sleeve, provided with a binder and connected with slots With a drive for rotation.
Однако в известных насосах подп тник плунжера, соверщающего возвратно-поступательное и вращательное перемещени , подвержен износу.However, in known pumps, the piston bushing performing reciprocating and rotational movement is subject to wear.
Цель изобретени - снижение износа подп тника путем уменьшени угловой скорости плунжера в ходе нагнетани , когда нагрузка на подп тник наибольша .The purpose of the invention is to reduce wear of the bolster by reducing the angular velocity of the plunger during injection, when the load on the bolster is greatest.
Это достигаетс тем, что шлицы, св зываощие плунжер с приводом, выполнены винтовыми .This is achieved by the fact that the splines connecting the drive plunger are screwed.
На чертеже схематически изображен предлагаемый насос.The drawing schematically shows the proposed pump.
В корпусе 1 размещена втулка 2, содержаща плунжер 3 с дозатором 4, и привод, вклкэтающий шестерню 5 с муфтой 6. Плунжер 3 соединен с муфтой 6 при помощи винтовых щлицев 7. В корпусе 1 предусмотрен кулачковый вал 8, св занный кинематически с щестерней 5.The housing 1 houses a sleeve 2 containing a plunger 3 with a dispenser 4, and an actuator that includes gear 5 with clutch 6. Plunger 3 is connected to clutch 6 by means of screw lugs 7. In case 1, there is a cam shaft 8 connected kinematically with the pinion 5 .
Работает насос следующим образом. Когда вращаетс кулачковый вал, плунжер 3 совершает возвратно-поступательное перемещение под действием кулачка вала 8 и вращательное перемещение при вращении шестерни 5 с муфтой 6, а также вращательное перемещение относительно муфты при поступательном перемещении плунжера в муфте по винтовым щлицам 7.Works pump as follows. When the cam shaft rotates, the plunger 3 performs a reciprocating movement under the action of a cam of the shaft 8 and a rotational movement when the gear 5 with the clutch 6 rotates, as well as the rotational movement relative to the clutch as the plunger moves progressively in the clutch through the screw teeth 7.
При нагнетательном ходе плунжера последunii , двига сь по , вращаетс в направлении , противоположном вращению муфты , в св зи с чем плунжер вращаетс замедленно или останавливаетс . Во врем всасывающего хода плунжер вращаетс ускоренно. Уменьшение скорости вращени плунжераDuring the injection stroke of the plunger, the latter, moving along, rotates in the direction opposite to the rotation of the coupling, in connection with which the plunger rotates slowly or stops. During the suction stroke, the plunger rotates rapidly. Reducing the speed of rotation of the plunger
под нагрузкой при нагнетании топлива уменьшает износ подп тника плунжера.under load during fuel injection reduces wear on the plunger bushing.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1908703A SU501188A1 (en) | 1973-04-13 | 1973-04-13 | Distributor fuel pump for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1908703A SU501188A1 (en) | 1973-04-13 | 1973-04-13 | Distributor fuel pump for internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
SU501188A1 true SU501188A1 (en) | 1976-01-30 |
Family
ID=20549818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1908703A SU501188A1 (en) | 1973-04-13 | 1973-04-13 | Distributor fuel pump for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU501188A1 (en) |
-
1973
- 1973-04-13 SU SU1908703A patent/SU501188A1/en active
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