Control device for a motor vehicle
First Claim
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1. A control device for a motor vehicle gearbox, comprising:
- a support plate in a housing;
an electronic control circuit provided on the support plate;
a pressure channel connected to a hydraulic unit of the gearbox, the pressure channel having an aperture;
a measuring transducer for measuring hydraulic pressure in the pressure channel, the measuring transducer having a spring element formed in the vicinity of the support plate;
a diaphragm which sealingly spans over the aperture of the pressure channel; and
a connecting element to connect the spring element to the diaphragm for force transmission wherein the spring element is formed integrally from a portion of the support plate.
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Abstract
Control device for a motor vehicle, particularly for controlling a gearbox, with an electronic control circuit arranged on a support plate in a housing; for measurement of the hydraulic pressure, a measuring transducer is connected to a hydraulic unit of the gearbox by a pressure channel, wherein a spring element is formed in a region of the support plate and is a portion of the measuring transducer; the spring element is connected for force transmission via a connecting member to a diaphragm which sealingly spans the aperture of the pressure channel leading to the spring element.
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Citations
20 Claims
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1. A control device for a motor vehicle gearbox, comprising:
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a support plate in a housing; an electronic control circuit provided on the support plate; a pressure channel connected to a hydraulic unit of the gearbox, the pressure channel having an aperture; a measuring transducer for measuring hydraulic pressure in the pressure channel, the measuring transducer having a spring element formed in the vicinity of the support plate; a diaphragm which sealingly spans over the aperture of the pressure channel; and a connecting element to connect the spring element to the diaphragm for force transmission wherein the spring element is formed integrally from a portion of the support plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification