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Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 188/358 - Liquid power


Subclass of Class 188 - Brakes
Definition: Device wherein the nonmanual power source is of the hydraulic
No. of patents: 98
Last issue date: 03/18/2008


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NumberTitleIssue Date
7344203Master cylinder
A master cylinder includes a cylinder body, primary cups supported on the inner periphery of the cylinder body, and a primary piston and a secondary piston inserted in the cylinder body so as to be in sliding contact with the respective primary cups. The cylinder bo...
03/18/2008
7341318Circulating fluid regulated braking device for air and land vehicles
A circulating fluid regulated braking device for a vehicle includes a piston pump mounted directly on the hub of each vehicle wheel. The pumps mounted on front wheels are connected by pipes to a primary two-way valve, which, in turn, is connected by pipes to a prima...
03/11/2008
7322657Stroke simulator
A second piston includes a first protruding portion that protrudes toward a first piston and a second protruding portion that protrudes toward a stopper. By changing a height of the first protruding portion and a height of the second protruding portion it is possibl...
01/29/2008
7309112Braking system having valve device for delivering pressurized fluid to brake cylinder selectively from at least two pressurizing chambers or only one of them
Braking system including a master cylinder having at least two pressurizing pistons partially defining at least two mutually isolated pressurizing chambers, and wherein a working fluid in each pressurizing chamber is pressurized by an advancing movement of the corre...
12/18/2007
7131520Actuator unit for an electro-hydraulic brake system
An actuator unit for an electro-hydraulic brake system of the ‘brake-by-wire’ type, the first and second pistons thereof being preloaded by a resetting spring each in opposition to the actuating direction. The first pressure chamber of the tandem master cylinder...
11/07/2006
7008023Hydraulic brake apparatus
A hydraulic brake apparatus includes a brake master cylinder having a rod piston moving in response to a brake pedal; a separation valve provided in a hydraulic brake circuit in order to establish and shut off communication between the brake master cylinder and the ...
03/07/2006
6984002Brake hydraulic pressure generator
A brake hydraulic pressure generator is proposed in which the brake stroke fluctuate less when the amount of brake fluid consumed in the wheel brakes fluctuates. Even when the brake pedal force is increased after the brake assisting force has reached its maximum, th...
01/10/2006
6966616Hydraulic 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
6908160Hydraulic brake apparatus for a vehicle
The present invention is directed to a hydraulic brake apparatus provided with a pressure source for generating hydraulic pressure, a hydraulic pressure boosting device having a pressure regulating valve for regulating the hydraulic pressure generated by the pressur...
06/21/2005
6902241Vehicle brake control apparatus for controlling normal wheel brakes upon detection of defective wheel brake or brakes
A brake control apparatus for controlling at least three brake devices provided for braking respective at least three wheels of an automotive vehicle which includes two wheels located on respective left and right sides of the vehicle, wherein an emergency brake cont...
06/07/2005
6851763Hydraulic brake system
A hydraulic brake system for vehicles with a brake pressure generator unit which is operable by introducing an actuating force by way of an actuating device that includes a first hydraulic chamber having a volume which decreases when the brake pressure generator uni...
02/08/2005
6808238Operating unit for an electrohydraulic braking system
The present invention relates to an operating unit for an electrohydraulic braking system of the ‘brake-by-wire’ type, which is designed as a tandem master cylinder having a first and a second piston biased by each one resetting spring in opposition to the actua...
10/26/2004
6789857Vehicle brake hydraulic pressure generator
An improved brake hydraulic pressure generating device is provided in which the hydraulic pressure supplied from a hydraulic pressure source is adjusted to a value corresponding to the brake operating force by means of a pressure adjusting valve which is activated a...
09/14/2004
6746088Master cylinder for an electro-hydraulic braking system comprising improved means of simulating the pedal feel and an electro-hydraulic braking system comprising such a master cylinder
A master cylinder for electro-hydraulic braking systems having a body of longitudinal axis pierced with a bore to receive a piston mounted to slide therein in a sealed fashion while axially dividing the bore into a supply chamber sealedly connected to a brake fluid ...
06/08/2004
6733090Hydraulic vehicle braking system
In a hydraulic vehicle braking systems operable via hydraulic external energy from a pump or, in the event the pump malfunctions, via hydraulic energy made available using a master brake cylinder via muscle-powered energy, provision is made for safe braking via musc...
05/11/2004
6709072Hydraulic brake system for vehicles
In a vehicle hydraulic brake system of a type adapted to release brake fluid discharged from the wheel cylinders into a reservoir for a master cylinder during pressure reduction phase of antilock brake control or vehicle stability control, the volume of the pressure...
03/23/2004
6692087Control unit for a wheel brake of a motor vehicle
An actuating unit for a wheel brake of a motor vehicle has a hydraulic pump drivable with variable speed by an electric motor, as well as an element, adjusting the return flow of pressurized media to the pump, which is arranged between the delivery side a...
02/17/2004
6641231Hydraulic brake apparatus for a vehicle
A hydraulic brake apparatus for a vehicle includes a brake operating member, a hydraulic pressure generating source, a regulating valve, a master cylinder having first and second pistons, a pressure detecting means connected to a second pressure chamber f...
11/04/2003
6578932Hydraulic brake apparatus for a vehicle
A vehicle hydraulic brake apparatus includes a controller and a hydraulic pressure detector which detects a master cylinder hydraulic pressure produced by a master cylinder. The controller compares the master cylinder hydraulic pressure detected by the hy...
06/17/2003
6550591Reservoir apparatus and auxiliary reservoir
To provides a technique capable of replenishing a working fluid smoothly while employing a method for replacing an atmospheric air with the working fluid. The reservoir apparatus (10) includes a main reservoir (20) having an inlet opening for feeding a hy...
04/22/2003
6513883Hydraulic brake for a vehicle
A hydraulic pressure brake device for a vehicle includes a first piston outputting brake pressure generated in a first pressure chamber and a second piston having a larger diameter than that of the first piston and provided rearward of the first piston an...
02/04/2003
6494546Device for regulating brake pressure
The present invention relates to a device for brake pressure control in hydraulic brake systems of vehicles, wherein at least one measuring data emitter for the relative movement between the actuating device and the abutment or for the pedal force introdu...
12/17/2002
6382737Apparatus in braking system, for diagnosing pressurizing device based on fluid pressure detected during operation of the device prior to operation of the braking system
A diagnosing apparatus for diagnosing a pressurizing device provided in a hydraulically operated braking system operated by a brake operating member, wherein a hydraulic pressure detecting device is operable to detect a hydraulic pressure which is a sum o...
05/07/2002
6354672Braking system wherein brake cylinder is communicated with pedal-operated pressure source upon failure of pump-operated pressure source
A braking system including a brake cylinder, a first hydraulic pressure source having a first pump device for pressurizing a working fluid, a second hydraulic pressure source operable in response to an operation of a brake operating member, to pressurize ...
03/12/2002
6322162Actuating device for an electrohydraulic vehicle brake system
An actuating device for an electrohydraulic vehicle brake system has an emergency brake cylinder (2) which comprises a piston (24, 25), the latter being displaceable in a housing (21), and which can be actuated by means of a brake pedal (1), and a simulat...
11/27/2001
6318815Braking force boosting device, in particular for automotive vehicles
A braking pressure boosting device is suggested, in particular for automotive vehicles, which includes a boost sensor for sensing or identifying the point of maximum boosting of the braking pressure boosting device. By using the boost sensor, ad signal is...
11/20/2001
6280002Hydraulic braking system
A hydraulic brake system wherein a portion of a volume of a first fluid supplied to a steering system by a pump is selectively diverted to an actuator assembly for a master cylinder to develop an force for actuating a master cylinder to pressurize fluid w...
08/28/2001
6276763Method of diagnosing brake booster based on its input and output, and braking system including diagnosing device capable of practicing the method
Method of diagnosing a booster of a braking system including a brake operating member operated with a brake operating force, a master cylinder for producing a hydraulic pressure on the basis of an input force received from the booster as a result of boost...
08/21/2001
6217133Brake force control apparatus
A brake force control apparatus which can quickly supply pressurized brake fluid to wheel cylinders immediately after a condition for starting a brake assist control is established. The brake force control apparatus has emergency brake determining structu...
04/17/2001
6206484Brake system having a pilot-operated boost valve
A vehicle brake system having a wheel brake and first and second conduits in fluid communication with the wheel brake. A master cylinder having an outlet is in fluid communication with the first conduit for supplying pressurized fluid to the first conduit...
03/27/2001
6183050Braking system with remote boost valve
A brake system including a master cylinder for generating pressurized fluid, a wheel brake in fluid communication with the master cylinder, and a first valve for regulating the flow of fluid between the master cylinder and the wheel brake. The brake syste...
02/06/2001
6179389Pump system for generating a brake pressure
A system generates a brake pressure with a pump which delivers a volume into the chamber of a master brake cylinder and builds up a pressure which is used by at least one additional assembly, particularly a power-assisted steering system. The system has a...
01/30/2001
6161903Brake-pressure-transmitter arrangement for a hydraulic motor-vehicle brake system, and brake system equipped therewith
A brake-pressure-transmitter arrangement (1) for a hydraulic motor-vehicle brake system, after an actuating force (F) has been introduced via an input member (brake pedal 2), by reduction in the volume of a hydraulic chamber (4) to be filled with brake fl...
12/19/2000
6149248Hydraulic brake booster
A vehicle hydraulic system is disclosed comprising a pressure source supplying pressurized hydraulic fluid to a discharge header, a vehicle braking system having a hydraulically operated boost piston assembly for supplementing a force exerted by a vehicle...
11/21/2000
6129423Brake force control apparatus
In a brake force control apparatus selectively performing a brake assist (BA) control for generating a brake force greater than that of a normal control time, an unnecessary restart of the BA control immediately after the BA control is terminated is preve...
10/10/2000
6095622Hydraulic brake control system for use in a vehicle
A vehicle hydraulic brake control system includes a wheel brake for applying a hydraulic braking force to a wheel in response to a hydraulic pressure supplied to the wheel brake, a reservoir is which is stored brake fluid under the atmospheric pressure, a...
08/01/2000
6053582Integrated ABS/TC/VSC braking system with separate boost valve
An integrated vehicular braking system which can provide ABS/TC/VSC control using a common auxiliary high pressure source for two circuits includes a separate boost valve pilot operated to control the flow from the high pressure source to provide brake bo...
04/25/2000
6033036Electronically controllable brake operating system for motor vehicles
An electronically controllable brake actuating system for automotive vehicles includes a master brake cylinder operable by an actuating pedal and having at least one piston, at least one braking pressure generator actuatable by an electronic control unit,...
03/07/2000
6007160Electrohydraulic brake booster and method of controlling same for smooth brake pedal feel
A method of controlling the operation of an electrohydraulic brake booster to achieve a desired pedal feel. The method includes sensing brake pedal movement from a fully retracted rest position before a significant resistance to travel of the brake pedal ...
12/28/1999
5971502Secondary braking control
A secondary source of braking for large hydraulically braked vehicles utilizing the available power source (38) provided by typically available anti-skid and traction control braking systems. The invention improves the time response of a secondary braking...
10/26/1999
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