Quotables
"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7419227 | Braking device for a motor vehicle A braking device for a motor vehicle having a first brake circuit (10) with a master cylinder (11) controlled by a brake pedal (12), a second brake circuit (20) with at least one pump (27) that is controlled by a computer (C), and ... | 09/02/2008 |
| 7357465 | Brake pedal feel simulator A brake pedal feel simulator is provided which reduces the simulation force provided to the brake pedal during emergency or failed conditions. The simulator generally comprises a first spring having a first spring rate and a second spring having a second spring rate... | 04/15/2008 |
| 7299900 | Braking device for an industrial truck A braking device for an industrial truck, comprising a hydraulic brake cylinder which is coupled to an actuating element and is connected with at least one hydraulic brake associated with a wheel of the industrial truck via a brake line wherein another hydraulic bra... | 11/27/2007 |
| 7221736 | Expansion device for fluid coolant/insulation in a x-ray apparatus In an expansion device for an x-ray apparatus, in particular with a rotary piston x-ray tube with a sealed coolant and/or insulation volume under a minimum pressure and pressing with this minimum pressure against an elastic pressure element, an elastic pressure elem... | 05/22/2007 |
| 6966616 | Hydraulic brake apparatus for a vehicle A hydraulic brake apparatus is provided with a master cylinder, an assisting device for assisting the master piston to be advanced in response to operation of a brake pedal, and an auxiliary piston having a large diameter portion and a small diameter portion to defi... | 11/22/2005 |
| 6666530 | Vacuum booster apparatus and a brake apparatus A vacuum booster apparatus used for a brake apparatus positively decreases a degree of opening of a throttle valve when it is required while an unnecessary decrease in the degree of opening of the throttle valve is positively prevented. A first pressure c... | 12/23/2003 |
| 6655513 | Hydraulic brake device for a vehicle A hydraulic brake device for a vehicle includes an auxiliary piston having an effective cross-sectional area larger than that of a master piston, and a pressure transmitting chamber provided between the large diameter portion and the master piston. The au... | 12/02/2003 |
| 5249651 | Pneumatic brake booster with improved response time The invention relates to a pneumatic brake-booster comprising a casing (10), inside which is situated a piston (20) consisting of a rear tubular part (22) which supports a skirt (14) and which with the aid of an unwinding diaphragm (12) defines a front ch... | 10/05/1993 |
| 5190125 | Vacuum brake booster A vacuum brake booster includes a secured arrangement for securing a flange portion of a control valve element to a cylindrical portion of the power piston so as to prevent relative movement between the flange portion of the control valve element and the ... | 03/02/1993 |
| 5176065 | Brake booster A pneumatic brake booster (10) capable of operating without being actuated by a pedal (14), possesses at least one fixed part (36) and a control rod (12) with which the pedal cooperates (14). A sleeve (30) bears against the pedal (14) and partially surrou... | 01/05/1993 |
| 5167305 | Pneumatic brake booster assembly The present invention relates to a pneumatic brake booster assembly for a vehicle comprising a brake booster (10) formed from two shells (18; 37), a master-cylinder (14) mounted on the booster (10), a brake pedal (20) operatively linked to the booster (10... | 12/01/1992 |
| 5133592 | Actuating unit for an anti-lock brake system for automotive vehicles An actuating unit for anti-lock brake systems for automotive vehicles comprised of a vacuum brake power booster and a tandem master brake cylinder, wherein on failure of the primary pressure chamber a force is simulated which is opposed to the actuating f... | 07/28/1992 |
| 5096028 | Brake booster In the negative pressure booster equipment according to the present invention, a valve plunger 17 and an input shaft 18 are incorporated in a single member. Also, the axial length of the guide 17a of the valve plunger in relation to the valve body 4 is se... | 03/17/1992 |
| 5024304 | Vacuum brake force booster with acoustic insulation To substantially eliminate the noise arising upon actuation of a vacuum brake force booster caused by incoming air, the housing section confining the ventable working chamber and/or the intervals in the control valve housing are lined with an insulating c... | 06/18/1991 |
| 5011234 | Arrangement for mounting a brake power booster An arrangement for mounting a brake power booster to a splash-board of a motor vehicle is proposed, which brake power booster is actuatable by means of an operating rod and is provided in a booster housing with at least a first evacuatable and a ventilata... | 04/30/1991 |
| 4932727 | Automotive vehicle brake system In an anti-lock automotive vehicle brake system comprising a vacuum brake power booster, a considerable reduction of manufacturing and assembling costs is obtained while the system's reliability in operation is simultaneously augmented by the incorporatio... | 06/12/1990 |
| 4096696 | Vehicle power brake system with master booster and slave booster The vacuum chamber of the master booster is connected to a slave booster having a chamber also normally below atmospheric pressure. The variable pressure chamber of the master booster is connected to the other chamber of the slave booster through a check ... | 06/27/1978 |
| 4069899 | Vacuum suspended disc brake A vehicle brake having a vacuum suspended operating section. The assembly is arranged so that initial braking is accomplished by the operator admitting atmospheric pressure to the pressure side of a diaphragm that has a vacuum on its opposing side. The as... | 01/24/1978 |
| 3978670 | Multi-circuit brake installation for vehicles A multi-circuit brake installation for vehicles, in which two transmitter brake pistons which possess differently large effective brake pressure piston areas and which are hydraulically connected with each other, operate within a master brake cylinder act... | 09/07/1976 |
| 3937021 | Hold off valve for a two stage servomotor A hold off valve for use in a two stage pressurizing mechanism to control the transition from a first operational condition to a second operational condition. A stepped piston in the pressurizing mechanism has a first diameter and a second diameter throug... | 02/10/1976 |
