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US 5,672,818 AGranted
Throttle valve adjusting unit
AssigneeRobert Bosch GmbH
InventorsWolfgang Schaefer, Klaus Kaiser, Martin Benda, Eckard Reiling
Life of this patent
Estimating the term…
Abstract
A throttle control valve in which potentiometer paths of a potentiometer are mounted on the lid and an electrical motor coupling is also provided, so that when the lid is attached to the throttle valve stub, the potentiometer and the control motor can be connected by simple joining in a single operation. The throttle control valve is intended for internal combustion engines for motor vehicles.
Claims15
A throttle control valve, having a throttle valve secured to a throttle valve shaft rotatably supported in a throttle valve stub;
- a control motor, supported on the throttle valve stub, said control motor includes a drive gear coupled to the throttle valve shaft, for adjusting the throttle valve shaft;
- a potentiometer (40), including at least one wiper and at least one potentiometer path, for detecting and adjusting a position of the throttle valve shaft;
- a connection chamber, an electrical connection to which the control motor (20) and the potentiometer (40) are connected in said connection chamber;
- a lid (24) that closes off the connection chamber, the at least one potentiometer path (42, 42', 42", 42'") is mounted on the lid (24), and a coupling part (44) belonging to the electrical connection is formed onto the lid (24);
- at least one motor plug contact (22a, 23a) is also provided on the lid (24), said motor plug contact, when the lid (24) is mounted on the throttle valve stub (2), is in electrical contact with a motor counterpart plug contact (22b) connected to the control motor (20).
2 more elements
Dependencies are inferred from the claim text.