US3682152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installation for controlling a combustion engine
Assignee: Daimler Benz AG
•
Filing: 1970-03-27
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Granted: 1972-08-08
•
Expires: 1990-03-27
Abstract
Abstract An installation for the control of an internal combustion engine, particularly for motor vehicles, in which the opening of the inlet and outlet valve as well as the fuel supply takes place dependent on the phase angle of the crankshaft; an electronic control apparatus is provided which is adjustable by means of the drive pedal; the electronic control apparatus includes a device for detecting the phase angle of the crankshaft and is connected to the actuating mechanisms for the inlet and outlet valves as well as for the fuel injection.
Inventors
- 👤 Alfred Hermann Muller-Berner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
F; F02; F02D; F02D13/00; F02D13/02; F02D13/0203; F02D13/0207; F01; F01L; F01L1/00; F01L1/34; F01L1/344; F01L1/348; F01L13/00; F01L13/0015; F01L13/0036; F01L9/00; F01L9/10; F02D13/0253; F02D41/00; F02D41/02; F02D41/14; F02D41/1438; F02D41/1444; F02D41/1446; F02D41/1451; F01L1/3442; F01L2001/34423; F01L2001/34446; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
202 words
An installation for controlling a combustion engine of the type having inlet and outlet valve means, fuel supply means, and a crankshaft wherein the actuation of the valve means and the fuel supply means is dependent upon the phase angle of the crankshaft; the installation comprising an output adjusting member for the combustion engine providing an electrical output signal indicative of the output desired, means for detecting the rotational speed and phase angle of the crankshaft for providing an electrical output signal indicative thereof, and electronic means responsive to operating parameters of the engine including the output signals from the output adjusting member and the crankshaft detecting means for providing separate electrical output signals to each of the inlet and outlet valve means for controlling at least one of the stroke and timing of one of the inlet and outlet valve means independently of at least one of the stroke and timing of the other of the inlet and outlet valve means, said electronic means also providing an electric output signal to the fuel supply means for controlling the supply of fuel to the engine independently of at least one of the stroke and timing of the inlet and outlet valve means.
Claim 2
Dependent Claim
202 words
An installation for controlling a combustion engine of the type having inlet and outlet valve means, fuel supply means, and a crankshaft wherein the actuation of the valve means and the fuel supply means is dependent upon the phase angle of the crankshaft; the installation comprising an output adjusting member for the combustion engine providing an electrical output signal indicative of the output desired, means for detecting the rotational speed and phase angle of the crankshaft for providing an electrical output signal indicative thereof, and electronic means responsive to operating parameters of the engine including the output signals from the output adjusting member and the crankshaft detecting means for providing separate electrical output signals to each of the inlet and outlet valve means for controlling at least one of the stroke and timing of one of the inlet and outlet valve means independently of at least one of the stroke and timing of the other of the inlet and outlet valve means, said electronic means also providing an electric output signal to the fuel supply means for controlling the supply of fuel to the engine independently of at least one of the stroke and timing of the inlet and outlet valve means.
Claim 3
Dependent Claim
31 words
An installation according to claim 1 characterized in that a pulse transmitter means dependent on the rotation of the crankshaft serves as means for detecting the phase angle of the crankshaft.
Claim 4
Dependent Claim
56 words
An installation according to claim 2, characterized in that the pulse transmitter means includes electromagnetic teeth means provided at a flywheel and constructed in the manner of a recording tape and magnet means having winding means and constructed in the manner of a recording head, said winding means being operatively connected with said electronic control means.
Claim 5
Dependent Claim
45 words
An installation according to claim 3, characterized in that the inlet and outlet valve means include hydraulic piston means which are adapted to be connected with a pressure tank containing a pressure medium by way of magnetic valve means controlled by the electronic control means.
Claim 6
Dependent Claim
39 words
An installation according to claim 4, characterized in that both sides of the hydrauliC piston means are adapted to be acted upon by the pressure medium of the pressure tank for movement of the piston means in different directions.
Claim 7
Dependent Claim
48 words
An installation according to claim 5, characterized in that the inlet and outlet valve means includes displacement transmitter means providing an output indicative of the displacement of the inlet valve and outlet valve means, and connecting means operatively connecting said displacement transmitter means with said electronic control means.
Claim 8
Dependent Claim
43 words
An installation according to claim 6, characterized in that the inlet and outlet valve means includes a throttle means provided in the discharge from the pressure spaces of the piston means for throttling during closing operation of the inlet and outlet valve means.
Claim 9
Dependent Claim
45 words
An installation according to claim 1, characterized in that the inlet and outlet valve means include hydraulic piston means which are adapted to be connected with a pressure tank containing a pressure medium by way of magnetic valve means controlled by the electronic control means.
Claim 10
Dependent Claim
39 words
An installation according to claim 8, characterized in that both sides of the hydraulic piston means are adapted to be acted upon by the pressure medium of the pressure tank for movement of the piston means in different directions.
Claim 11
Dependent Claim
48 words
An installation according to claim 8, characterized in that the inlet and outlet valve means includes displacement transmitter means providing an output indicative of the displacement of the inlet valve and outlet valve means and connecting means operatively connecting said displacement transmitter means with said electronic control means.
Claim 12
Dependent Claim
44 words
An installation according to claim 8, characterized in that the inlet and outlet valve means includes a throttle means provided in the discharge from the pressure spaces of the piston means for throttling during the closing operation of the inlet and outlet valve means.
Claim 13
Dependent Claim
64 words
An installation according to claim 1, characterized in that the inlet valve and outlet valve means includes a valve drive means comprising chain and sprocket drive means in which the length of the pulling section of the chain between a camshaft sprocket wheel and a crankshaft sprocket wheel is adapted to be adjusted by a chain guidance means operatively connected with the control means.
Claim 14
Dependent Claim
23 words
An installation according to claim 12, characterized in that the chain guidance means includes displacement transmitter means operatively connected with the control means.
Claim 15
Dependent Claim
18 words
An installation according to claim 13, characterized in that the displacement transmitter means is an inductive displacement pick-up.
Claim 16
Dependent Claim
43 words
An installation according to claim 12, characterized in that the camshaft operatively connected with a servo-means is displaceably arranged and is provided with cams axially offset to one another, said servo-means being operatively connected by said connecting means with said electronic control means.
Claim 17
Dependent Claim
25 words
An installation according to claim 15, characterized in that the camshaft is connected with a displacement transmitter means operatively connected with the electronic control means.
Claim 18
Dependent Claim
18 words
An installation according to claim 16, characterized in that said displacement transmitter means is an inductive displacement pick-up.
Claim 19
Dependent Claim
23 words
An installation according to claim 16, characterized in that the chain guidance means includes displacement transmitter means operatively connected with the control means.
Claim 20
Dependent Claim
73 words
An installation according to claim 18, characterized in that the displacement transmitter means are inductive displacement pick-ups. 20 An installation according to claim 1, characterized in that the fuel supply means includes a magnetic valve means which is adapted to be controlled by the electronic control means, said magnetic valve means being operatively connected with a pressure tank and an injection nozzle of the fuel supply means for controlling the supply of fuel.
Claim 21
Dependent Claim
23 words
An installation according to claim 20, characterized in that the magnetic valve means and the injection nozzle are combined into a structural unit.
Claim 22
Dependent Claim
37 words
An installation according to claim 1, characterized by the electronic control means being responsive to measuring means for detecting the condition of the combustion air, the measuring means being arranged in the suction line of the engine.
Claim 23
Dependent Claim
26 words
An installation according to claim 1, characterized by the electronic control means being responsive to pressure indicator means arranged in the combustion space of the engine.
Claim 24
Dependent Claim
26 words
An installation according to claim 1, characterized by the electronic control means being responsive to temperature indicator means arranged in the combustion space of the engine.
Claim 25
Dependent Claim
28 words
An installation according to claim 22, characterized by the electronic control means being responsive to pressure and temperature indicator means arranged in the combustion space of the engine.
Claim 26
Dependent Claim
26 words
An installation according to claim 1, characterized by the electronic control means being responsive to measuring means arranged in the exhaust gas line of the engine.
Claim 27
Dependent Claim
14 words
An installation according to claim 26, wherein said measuring means measures the smoke factor.
Claim 28
Dependent Claim
15 words
An installation according to claim 26, characterized in that the measuring means measures the temperature.
Claim 29
Dependent Claim
26 words
An installation according to claim 25, characterized by the electronic control means being responsive to measuring means arranged in the exhaust gas line of the engine.
Claim 30
Dependent Claim
24 words
An installation according to claim 29, characterized in that said last-mentioned measuring means is operable to measure both the smoke number and the temperature.
Claim 31
Dependent Claim
21 words
An installation according to claim 1, characterized in that the output adjusting member is a drive pedal of a motor vehicle.
Claim 32
Dependent Claim
31 words
An installation according to claim 30, characterized in that a pulse transmitter means dependent on the rotation of the crankshaft serves as means for detecting the phase angle of the crankshaft.
Claim 33
Dependent Claim
56 words
An installation according to claim 32, characterized in that the pulse transmitter means includes electromagnetic teeth means provided at a flywheel and constructed in the manner of a recording tape and magnet means having winding means and constructed in the manner of a recording head, said winding means being operatively connected with said electronic control means.
Claim 34
Dependent Claim
45 words
An installation according to claim 33, characterized in that the inlet and outlet valve means include hydraulic piston means which are adapted to be connected with a pressure tank containing a pressure medium by way of magnetic valve means controlled by the electronic control means.
Claim 35
Dependent Claim
39 words
An installation according to claim 34, characterized in that both sides of the hydraulic piston means are adapted to be acted upon by the pressure medium of the pressure tank for movement of the piston means in different directions.
Claim 36
Dependent Claim
48 words
An installation according to claim 34, characterized in that the inlet and outlet valve means includes displacement transmitter means providing an output indicative of the displacement of the inlet valve and outlet valve means, and connecting means operatively connecting said displacement transmitter means with said electronic control means.
Claim 37
Dependent Claim
44 words
An installation according to claim 36, characterized in that the inlet and valve means includes a throttle means provided in the discharge from the pressure spaces of the piston means for the throttling during the closing operation of the inlet and outlet valve means.
Claim 38
Dependent Claim
64 words
An installation according to claim 33, characterized in that the inlet valve and outlet valve means includes a valve drive means comprising chain and sprocket drive means in which the length of the pulling section of the chain between a camshaft sprocket wheel and a crankshaft sprocket wheel is adapted to be adjusted by a chain guidance means operatively connected with the control means.
Claim 39
Dependent Claim
23 words
An installation according to claim 38, characterized in that the chain guidance means includes displacement transmitter means operatively connected with the control means.
Claim 40
Dependent Claim
43 words
An installation according to claim 39, characterized in that the camshaft operatively connected with a servo-means is displaceably arranged and is provided with cams axially offset to one another, said servo-means being operatively connected by said connecting means with said electronic control means.
Claim 41
Dependent Claim
25 words
An installation according to claim 40, characterized in that the camshaft is connected with a displacement transmitter means operatively connected with the electronic control means.
Claim 42
Dependent Claim
21 words
An installation according to claim 33, characterized in that the output adjusting member is a drive pedal of a motor vehicle.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |