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US 12,552,355 B2Granted
Brake device for vehicle
AssigneeDenso Corporation
InventorsDaisuke Hokuto, Etsugou Yanagida, Kunio Nanba
Life of this patent
Estimating the term…
Abstract
A brake device for a vehicle includes: a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated; a housing that rotatably supports the lever part; a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal; and a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated.
Claims49
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount,
- the housing has a hole into which the stopper is inserted, and
- the stopper moves in the hole of the housing to adjust a position where the stopper and the brake pedal are in contact with each other.
5 more elements
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount,
- the brake device further comprises a stroke sensor configured to output a signal corresponding to the stroke amount, and
- the stroke sensor is adjusted to output the signal which has a linear relationship with a rotation angle of the lever part.
5 more elements
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount, and
- at least one of the two elastic members of the reaction force generator is made of an equal pitch spring.
4 more elements
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount, and
- the stopper is made of resin.
4 more elements
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount, and
- the stopper is made of metal.
4 more elements
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount, and
- at least one of the two elastic members of the reaction force generator is made of an unequal pitch spring.
4 more elements
A brake device for a vehicle comprising:
- a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated;
- a housing that rotatably supports the lever part;
- a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal;
- and
- a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated, wherein
- the reaction force generator has at least two elastic members to deform according to the stroke amount, and
- the brake device further comprises a stroke sensor configured to output a signal corresponding to the stroke amount, and at least three wires connected the stroke sensor.
4 more elements
Dependencies are inferred from the claim text.