GB1403259A - Fuel injection control systems - Google Patents
Fuel injection control systemsInfo
- Publication number
- GB1403259A GB1403259A GB4238072A GB4238072A GB1403259A GB 1403259 A GB1403259 A GB 1403259A GB 4238072 A GB4238072 A GB 4238072A GB 4238072 A GB4238072 A GB 4238072A GB 1403259 A GB1403259 A GB 1403259A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- manifold
- amplifiers
- output
- engine
- 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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
- F15C1/00—Circuit elements having no moving parts
- F15C1/002—Circuit elements having no moving parts for controlling engines, turbines, compressors (starting, speed regulation, temperature control or the like)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
- Y10T137/2065—Responsive to condition external of system
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
1403259 Fluid-pressure servomotor systems BOWLES FLUIDICS CORP 12 Sept 1972 [17 Sept 1971] 42380/72 Heading G3P [Also in Division F1] A fuel injection system is controlled by the pressure of air in a receiver 15 situated in the engine manifold 10 to receive air from a jet 13 to which the pressure of the supply is varied in accordance with at least one variable. In the preferred embodiment, the manifold pressure Pm is fed through restrictors A5, A9, Fig. 5, preventing sonic flow to a fluidic amplifier 18 having an output P4 which varies non-linearly with Pm and corresponds to fuel/air ratio. P4 is modified in accordance with engine temperature by a bleedoff valve A3 connected to a bi-metallic element 19 and in combination with manifold pressure P1 sensed by a bellows 23 and a pressure corresponding to manifold temperature sensed by a second bi-metallic element 21 determines the pressure of the supply through fixed and variable restrictors A6 and A7 to the nozzle 13. The pressure in the receiver 15 is a function of the nozzle pressure and the flow in the manifold and is amplified by cascaded amplifiers 25 ... 27 to provide an output P5 which is fed into a turther series of amplifiers 31 connected to capacitors V1, V2 and through diodes D1 ... D4 to inputs P8, P9 which receive timing pulses generated by a drum 32 rotating at half the speed of the engine. The output P7 from the amplifiers is thus made to correspond to fuel delivery per stroke and operates an injection pump 45 through a further series of amplifiers (41), Fig. 7 (not shown) and a bellows coupled to lever 46, a valve (48) and resistors (24, R5) providing feed-back. The pulse in input P9 is fed through a diode (D5), Fig. 8 (not shown), and a capacitor (V3) to an OR/NOR gate (52) which switches to provide an output pulse when engine speed falls, the pulse being amplified to provide a pressure differential ql, q2 which forms a vortex in the manifold to throttle air-flow. The system pressure P+ is supplied by a pump and regulator 2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18153171A | 1971-09-17 | 1971-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1403259A true GB1403259A (en) | 1975-08-28 |
Family
ID=22664681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4238072A Expired GB1403259A (en) | 1971-09-17 | 1972-09-12 | Fuel injection control systems |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3794005A (en) |
| JP (1) | JPS517772B2 (en) |
| BR (1) | BR7206306D0 (en) |
| DE (1) | DE2245062A1 (en) |
| FR (1) | FR2153059B3 (en) |
| GB (1) | GB1403259A (en) |
| IT (1) | IT974638B (en) |
| ZA (1) | ZA725676B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937195A (en) * | 1974-08-26 | 1976-02-10 | The United States Of America As Represented By The Secretary Of The Army | Constant mass air-fuel ratio fluidic fuel-injection system |
| JPS5155824A (en) * | 1974-11-12 | 1976-05-17 | Nissan Motor | Nainenkikanno nenryoseigyosochi |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1522293A (en) * | 1967-02-22 | 1968-04-26 | Fuel injection device for internal combustion engines | |
| US3548794A (en) * | 1969-01-21 | 1970-12-22 | Honeywell Inc | Control apparatus |
| GB1323123A (en) * | 1969-10-22 | 1973-07-11 | Nissan Motor | Acceleration actuating device for fuel injection system |
| US3672339A (en) * | 1970-02-24 | 1972-06-27 | Honeywell Inc | Fuel injection apparatus |
| US3705534A (en) * | 1970-05-12 | 1972-12-12 | Bowles Fluidics Corp | Fluidic flow sensing method and apparatus |
-
1971
- 1971-09-17 US US3794005D patent/US3794005A/en not_active Expired - Lifetime
-
1972
- 1972-08-17 ZA ZA725676A patent/ZA725676B/en unknown
- 1972-09-12 GB GB4238072A patent/GB1403259A/en not_active Expired
- 1972-09-13 BR BR630672A patent/BR7206306D0/en unknown
- 1972-09-14 DE DE2245062A patent/DE2245062A1/en active Pending
- 1972-09-15 FR FR7232859A patent/FR2153059B3/fr not_active Expired
- 1972-09-15 IT IT2926572A patent/IT974638B/en active
- 1972-09-18 JP JP9342072A patent/JPS517772B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2245062A1 (en) | 1973-03-22 |
| IT974638B (en) | 1974-07-10 |
| BR7206306D0 (en) | 1973-07-24 |
| ZA725676B (en) | 1973-05-30 |
| JPS4848830A (en) | 1973-07-10 |
| US3794005A (en) | 1974-02-26 |
| FR2153059A1 (en) | 1973-04-27 |
| JPS517772B2 (en) | 1976-03-11 |
| FR2153059B3 (en) | 1975-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |