Goods & Services

(1) Freins de véhicules (1) Service de conception de freins de véhicules

Abstract

The actuator assembly (40) includes a substantially cylindrical housing (310), a first and second annular actuator devices (300, 302) respectively positioned inside inboard-facing and outboard-facing compartment (320, 322) of the housing (310), a plate (342) axially movable in the housing (310) between an inboard end position and an outboard end position, and an axially-movable annular member (48). One or more springs (340) are provided between the plate (342) and a cover (312) closing an inboard side of the housing (310). The plate (342) is set to its outboard end position when the first actuator device (300) is under a threshold internal fluid pressure, thereby automatically setting the brake (10) into a parking mode using the spring force. The brake (10) is in a normal operation mode when the first actuator device (300) is above the threshold internal pressure, the plate (342) then being at its inboard end position.

IPC Classes  ?

• F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
• F16D 55/228 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side

Abstract

The arrangement includes an inboard annular section (200) and an outboard annular section (202), both coaxially disposed with reference to a central axis (5) of the annular disk brake (10). The annular sections (200, 202) are pivotable with reference one another. The arrangement has a positioning system (210) interposed between the annular sections (200, 202). The positioning system (210) includes two torque-transmitting mechanisms (224, 226) allowing an incremental and irreversible offset of the relative angular position between the annular sections (200, 202) to compensate for the brake pad wear.

IPC Classes  ?

• F16D 65/52 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play
• B60T 17/00 - Component parts, details, or accessories of brake systems not covered by groups , or , or presenting other characteristic features
• F16D 65/54 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment

Abstract

The annular disk brake (10) comprises a rotor disk (60) and at least one brake pad (62, 64) provided on each side of the rotor disk (60). The brake pad or pads (64) on one side are connected to a substantially axially-guided brake pad carrier (66). The brake (10) has a force transmitting arrangement creating a force increasing amplification between an axially-actuated member (48) and the carrier (66). This arrangement can increase the brake compactness and provide an even distribution the braking force around the circumference of the rotor disk (60). A method of increasing a brake pad clamping force is also disclosed.

IPC Classes  ?

• F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
• F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially