The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 29, 2000

Filed:

Nov. 12, 1997
Applicant:
Inventor:

Jae-Wook Jeon, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303-9 ; 3031141 ; 3031143 ; 1881 / ; 9137 / ; 91367 ;
Abstract

An automatic emergency brake system for an automotive vehicle with an assistor having a backward push rod connected to a forward push rod coupled with a master cylinder's piston via a power piston and pushing the power piston so as to augment a force applied to a brake pedal by a driver, including a partition fixed to the backward push rod; a return spring disposed between the partition and a poppet; moving stoppers each having a moving rod, going in and out of a backward pushing rod housing, to support the back of the partition; an emergency spring disposed compressed between the moving stoppers and a housing end; a controller electrically connected to the moving stoppers to output a driving signal to the moving stoppers in accordance with a deceleration; and a deceleration/acceleration sensor electrically connected to the controller to input a reduced speed of the vehicle to the controller.


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