Matches 1 - 50 out of 84 1 2 >


Match Document Document Title
8050836 Method and system for determining initiation of a panic braking maneuver  
A method for determining whether a panic braking maneuver has been initiated in a vehicle with a brake pedal includes the steps of receiving brake pedal travel data, receiving brake pedal force...
7591134 Vacuum booster of brake device  
The present invention provides a vacuum booster, which is constructed such that an area with which a cylinder communicates with a port communicating with a reservoir and being open to the cylinder...
7255408 Vacuum booster  
A vacuum booster which moderates a retraction speed of a valve seat member to restrain a contact noise between a key member retracting in a unitary manner with the valve seat member and a flange...
7201456 Pneumatic brake booster  
A pneumatic brake booster for a motor vehicle, comprising a piston (22) mounted between a control rod (24) actuated by a brake pedal and a push rod (34) actuating a piston of a brake master...
7080588 Negative pressure type booster  
A negative pressure type booster includes a power piston, a slide valve, and a holding mechanism, among others, and assists a driver during emergency braking. The holding mechanism is adapted to...
7040717 Negative pressure boosting device  
In a negative pressure boosting device of the present invention, upon depression of a pedal at a normal speed, an input shaft 11 and a valve plunger 10 move forward to close a vacuum valve 15 and...
7032497 Vacuum brake booster  
Vacuum brake booster for motor vehicles comprising a booster housing whose interior is subdivided by a movable wall into a vacuum chamber and a working chamber, a control valve that controls a...
6899011 Pneumatic booster comprising tubular intake and equalizing valves  
A pneumatic brake booster for a motor vehicle, of the type in which the movements of a control rod (38) are able to determine the openings and closings of at least one axial intake valve (52) which...
6802240 Booster  
A base 36A of an output shaft 36 is made up of a rod member 36B, and a holder 43 having a bottom 43A. A stop 42 is formed separately from the holder. The holder has a reduced diameter portion 43B,...
6711982 Brake booster  
An improvement of a valve plunger 14 used in a brake booster 1. A valve plunger 14 is made up of a rearwardly disposed body 34, and an engaging member 35 mounted on a front portion of the body 34....
6711981 Servomotor with a deformation-adjustable sleeve and setup for the adjustment of such sleeve  
A plunger arrangement (46,56,58) for a braking servomotor that has an actuating piston to provide a force to activate a master cylinder. The plunger arrangement (46,56,58) is located in a bore of a...
6675695 Emergency braking brake booster comprising soundproofing means  
The invention provides a pneumatic servomotor for an assisted braking of a motor vehicle, of the type comprising a unidirectional clutch device, which includes a coaxial sleeve (58), sliding on a...
6634276 Pneumatic booster with selective and controlled stress self-assistance  
The invention relates to a pneumatic servomotor for an assisted braking, comprising a rigid casing (1) in which a moving airtight partition wall (2) defines a front chamber (3) and a rear chamber...
6591734 Servomotor with a deformable-adjustable sleeve  
A braking servomotor (10) having a rigid casing (12) with a movable wall (14) location therein to define a front chamber (16) and a rear chamber (18). The movable wall (14) carries a piston (22)...
6584883 Pneumatic brake booster  
A pneumatic brake booster includes a generally cylindrical shaped piston. The piston has a first piston end and a second piston end and defines a chamber at the first piston end and a piston bore...
6564692 Brake booster  
A first vacuum valve seat 17 is formed on a valve body 3, and a second vacuum valve seat 18 is formed on a tubular member 21 which is slidably mounted on the valve body 3. A lever member 41 is...
6553888 Servomotor for an emergency braking  
A pneumatic servomotor for providing an assisted braking of a motor vehicle. The servomotor includes a plunger arrangement with a unidirectional clutch device (56). The clutch device (56) has a...
6550367 Airvalve assembly for a brake booster  
An airvalve assembly for a brake booster includes first and second members movable relative to each other to allow the passage of fluid, and a clip. The clip engages one of the first or second...
6422124 Brake power transmission device, especially for motor vehicles  
The present invention relates to a brake-power transmission device, especially for motor vehicles, including an actuated input member, an output member to exert a boosting force, especially on a...
6386087 Control booster  
The present invention provides a control booster which is capable of appropriately detecting a pedal-operated brake operation during an automatic brake operation. For moving a stop key from a...
6212993 Vacuum brake booster  
A vacuum brake booster (10) has a control valve housing (30) for a control valve (28) actuated by a bar shaped input member (34). A guide sleeve (42) is secured to the control valve housing and has...
5699713 Brake booster  
A brake booster having a fluid actuated piston in the form of a diaphragm (5) to which the supply of fluid is controlled by a valve mechanism (8A, 14A, 17), actuated by a driver-operated force...
5626069 Valve plunger retaining structure in a booster device  
A key member has an engaging portion, which is engaged with an annular groove formed in a valve plunger to prevent the valve plunger from coming off from a valve body. On the rear side of the key...
5479844 Pneumatic booster with electromagnetic servo control, especially for motor vehicle brake systems  
Two chambers (12, 14) in a booster casing (10) are separated by a movable wall (16) which is connected to a valve housing (22). The housing contains a movable sealing member (60) with which a first...
5335582 Vacuum brake booster  
In a method of manufacturing a brake booster, a step of defining a fixed distance between a peripheral surface on a rear shell of the brake booster and an eye of a linkage member attached to a...
5245829 Brake booster with dual durometer rear bearing  
A vacuum-actuated brake booster which can better utilize a wire elongated member type travel clip is brought forth. The brake booster provides a dual durometer rear bearing having a first soft...
5176433 Vacuum servo unit for use in traction control  
The present specification discloses a servo unit for use in a vehicle braking system, the servo unit comprising a housing within which a flexible diaphragm separates a vacuum pressure chamber from...
5152587 Hydraulic slip-controlled brake system with pneumatic power booster  
A brake system is provided which includes a restoring unit by which a restoring force can be applied to the pedal. Since the pedal, at the same time, actuates a control valve 9 determining the...
5146837 Reaction transmitting mechanism of brake booster  
A reaction transmitting mechanism for brake booster in which a reaction from an output shaft is transmitted to an input shaft through a reaction disc, a reaction transmitting member and a valve...
5121674 Brake booster  
An improvement of a variable pressure passage formed in the valve body of a brake booster is disclosed. A variable pressure passage including a first radial passage in which a key member is...
5121673 Apparatus for preventing percussion beats in brake booster  
Apparatus for preventing percussion beats in a brake booster is disclosed. The apparatus prevents percussion beats from occurring as a result of an abutment of a valve plunger, which forms part of...
5083497 Apparatus for preventing withdrawal of key member in brake booster  
A brake booster is disclosed. Specifically, an apparatus for preventing withdrawal of a key member, which is used to prevent the withdrawal of a valve plunger, forming a valve mechanism, from a...
5076142 Brake booster with tandem pistons having annular and radial reinforcing ribs and connected by hooks and slots  
A servomotor having a partition for separating a first chamber from a second chamber. The partition has a hub with passages therein connecting the first and second chambers with each other and to...
5056413 Pneumatic brake booster with two valves for allowing atmospheric air into a variable pressure chamber  
In a valve housing (30) a first and a second valve seat (32, 34) are arranged to which a common valve body (40) can be applied. In one position of an actuating member (38) the valve body (40) is...
5046399 Tandem type brake booster  
A tandem type brake booster is disclosed which comprises a booster body, a partitioning wall partitioning the interior of the body into front and rear chambers, a valve body axially movably...
5016520 Process for adjusting the value of the jump of a brake booster  
The process is for adjusting the value of the jump of a brake booster, in which are movably mounted a hollow boosting piston, a control rod carrying a plunger seated in the piston and a push rod,...
4995302 Negative pressure booster equipment  
The negative pressure booster equipment according to the present invention is provided with a variable orifice, by which the area of the air passage in the pathways other than one pathway, of two...
4953446 Key member for retaining a control valve in a hub  
A control valve arrangement for a pressure differential operated servomotor wherein a key member is located in a slot in a hub to retain the control valve and position the control valve in a...
4951550 Brake booster with key member having an elastic member  
A brake booster is disclosed which reduces an idle stroke of an input shaft. A key member which is mechanically coupled to a valve plunger which forms part of a valve mechanism is provided with an...
4936195 Vacuum brake booster shell extension with radially inwardly projecting annular portion for valve key contact  
A brake booster includes a key member coupled to a valve plunger. When the booster is inoperative, the key member is brought into abutment against an inner wall surface of a shell to limit a free...
4934249 Procedure for setting the dead travel of a servo-motor for Assistance during braking  
The setting of the dead travel of a servo-motor for assistance during braking is carried out in the factory during its assembly. For this purpose, a subassembly (68) comprising the piston (20), the...
4907494 Brake booster with retaining key and ring  
A stationary stop member (44) and a tilting stop member (50) limiting the stroke of the plunger (28) inside the piston (20) of a brake booster are held in place in the piston, independently of one...
4794844 Pneumatically operated servo-booster  
A pneumatically operated servo-booster has a housing divided by a movable diaphragm assembly into chambers (A, B), and a hub connected to the diaphragm and forming a vacuum valve seat for...
4787292 Brake booster  
The invention relates to a locking arrangement for a key member used in a brake booster. A key member includes an arcuate portion which surrounds substantially one-half the perimeter of a valve...
4768419 Pneumatic brake booster  
The stop member (23), which forms a bearing surface (33) cooperating in abutment with an abutting member (22) carried by the actuating rod (13) of the booster so as to determine the operational...
4729284 Stop key for the valve plunger of a braking assistance servomotor and a servomotor equipped with such a key  
The stop key (20) of the valve plunger (4) is made of metal wire and comprises a central portion having two lateral mounting strand parts (23) housed in grooves facing each other (13) in the radial...
4633760 Vacuum-operated power brake booster having two-part coaxial control valve housing  
In a vacuum-operated power brake booster, a control housing with a poppet valve for the control of the differential pressure comprises two control housing parts slidable telescopically in relation...
4619185 Brake booster  
A brake booster includes a plunger which defines a valve mechanism. A stop member is provided to prevent the withdrawal of the plunger, and structure is provided to prevent the disengagement of the...
4598625 Vacuum-operated brake power booster  
A vacuum-operated brake power booster, including a control valve comprising a control valve piston with valve seat actuated by the piston rod, a poppet valve with two valve seat faces and a valve...
4594937 Servomotor for braking assistance  
The servomotor incorporates a component (30) for retaining and for positioning the plunger (12) forming the moveable seat (11) for the valve means (9), the component (30) consisting of a plate...
Matches 1 - 50 out of 84 1 2 >