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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7946115 | Hydraulic cylinder for a brake system A hydraulic cylinder for a brake system includes a cylindrical body and a piston. The cylindrical body has a receiving space longitudinally defined therein for movably and sealingly receiving the piston. The receiving space is divided into a first chamber and a seco... | 05/24/2011 |
| 7413264 | Vehicle braking system A vehicle braking system having a hydraulic booster which applies output hydraulic pressure of a hydraulic power source to a boosted hydraulic pressure chamber after regulating the output hydraulic pressure as a control piston balances a reaction force generated by ... | 08/19/2008 |
| 7389642 | Hydraulic disc brake lever assembly A brake lever assembly for actuating a hydraulic disc brake system is shown and described. The brake lever assembly provides two-stage braking by operatively connecting a lever to first and second pistons contained in a master cylinder. The first and second pistons ... | 06/24/2008 |
| 7380646 | Adjustable modulator for hydraulic brake lever assembly A master cylinder assembly for a hydraulic bicycle braking system that includes a master cylinder having a first end and a second end, a first piston having a first end and a second end disposed in and movable within the master cylinder, a second piston disposed in ... | 06/03/2008 |
| 7364394 | Break away fastening system A fastening system is providing, the fastening system has a weld stud having an annular weldment portion and a fracturable nut. The fracturable nut and stud construction is configured to fail under torsional load prior to the structural parts failure. ... | 04/29/2008 |
| 7360360 | Vehicle braking device A vehicle braking device includes a stroke simulator provided between a control piston of a fluid pressure booster and a brake operation member, wherein the control piston has an inner peripheral surface partially including a tapered surface with a decreasing diamet... | 04/22/2008 |
| 7360359 | Hydraulic system having an emergency release mechanism for a clutch having servo-assisted pedal actuation To disengage a clutch using the clutch actuation in the event of a failure of the system, having pedal force-assisted pressurization of the hydraulic system, composed of two hydraulic circuits, a master cylinder and a slave cylinder being essentially disposed in the... | 04/22/2008 |
| 7354116 | Vehicle brake hydraulic pressure generator In a brake hydraulic pressure generating device in which the brake operating force is applied to a pressure adjusting valve through a stroke simulator and the hydraulic pressure supplied from the hydraulic pressure source is adjusted to a value corresponding to the ... | 04/08/2008 |
| 7331641 | Braking stroke simulator The present invention is directed to a braking stroke simulator for use in a brake system, which comprises a simulator piston moved in response to operation of a manually operated braking member, and an elastic element for providing a stroke to the simulator piston ... | 02/19/2008 |
| 7322269 | Housing module for a brake booster The present device relates to a housing module 1 for a brake booster. The housing module has a housing shell 3 that accommodates a movable wall 4. The movable wall subdivides an interior space of the brake booster into a low-pressure chamber ... | 01/29/2008 |
| 7308791 | Hydraulic disc brake lever assembly A brake lever assembly for actuating a hydraulic disc brake system is shown and described. The brake lever assembly provides two-stage braking by operatively connecting a lever to first and second pistons contained in a master cylinder. The first and second pistons ... | 12/18/2007 |
| 7293413 | Vehicle braking device There is provided a vehicle braking device in which a front outer periphery of a backup piston that can directly press a master piston from behind when output fluid pressure from a fluid pressure generation source is reduced is fluid-tightly and slidably fitted to a... | 11/13/2007 |
| 7281377 | Hydraulic disc brake lever assembly A brake lever assembly for actuating a hydraulic disc brake system is shown and described. The brake lever assembly provides two-stage braking by operatively connecting a lever to first and second pistons contained in a master cylinder. The first and second pistons ... | 10/16/2007 |
| 7277786 | Chassis-supported secondary braking system or emergency braking system A method for controlling a braking system of a vehicle is described, in which the braking system has at least a first control unit for controlling a first braking force on at least one wheel brake of a wheel of the vehicle, and an accumulator for receiving a pressur... | 10/02/2007 |
| 7263831 | Air-to-oil intensifying cylinder A pressure intensifier for generating a relatively large force includes a plurality of pistons driven in advancing and retracting directions. The pressure intensifier includes a rod selectively drivable into a cavity to amplify the force acting on one of the pistons... | 09/04/2007 |
| 7240490 | Tool arrangement and application of said tool arrangement A tool arrangement includes a tool unit 2, e.g. a cutting apparatus 2′, a spreader 2″, a squeezing device or the like, and a drive 3, a control and/or switching clement, as well as a first operating-medium circuit 4, in which t... | 07/10/2007 |
| 7234387 | Face wall for a motor vehicle A face wall for a motor vehicle comprises a first wall and a second wall that is disposed at a distance from the first wall. The first wall is provided with a recess for accommodating a brake booster that is fastened exclusively to the first wall. This assembly perm... | 06/26/2007 |
| 7204087 | Hydraulic tool A hydraulic tool has a motor, a valve, a hydraulic intensifier, and a supply connector. The hydraulic intensifier is arranged between the valve and the motor. The valve and the motor are arranged behind one another in a longitudinal direction of the tool. The hydrau... | 04/17/2007 |
| 7194946 | Pneumatic servomotor for power-assisted braking, the servomotor having a crimped diaphragm A pneumatic servomotor (12) for power-assisted braking for a motor vehicle, which servomotor is of the type having a substantially cylindrical rigid casing (16) inside which a moving transverse partition (18) is movably mounted that has a periph... | 03/27/2007 |
| 7188912 | Braking systems A braking system includes a brake actuator which is moveable in a first direction to cause a brake applying member to apply a braking force to a member to be braked. A master valve includes a piston assembly which upon operation of a brake operating member, directs ... | 03/13/2007 |
| 7191061 | Auto-steering apparatus and method A vehicular guidance method involves providing a user interface using which data can be input to establish a contour for a vehicle to follow, the user interface further configured to receive information from a differential global positioning system (DGPS), determini... | 03/13/2007 |
| 7178883 | Vehicular brake system A vehicular brake system includes a brake actuator that enables brake assist to be carried out, the brake assist increasing a braking force exhibited by wheel brakes in response to a braking operation input by a vehicle driver in comparison with the braking force wh... | 02/20/2007 |
| 7146900 | Composite operation type actuator A cylinder chamber 17 at the front of a direct-acting type actuator section 10 is connected to a cylinder chamber 37 at the front of an oscillating type actuator section 30 through a sequence valve with check valve 40. Further, a c... | 12/12/2006 |
| 7127891 | Brake power generator for a hydraulic motor vehicle brake system, and hydraulic motor vehicle brake system A braking force generator includes a primary piston displaceable in a housing to enclose a primary pressure chamber. A pedal simulation device is connected to the force input element. A pedal actuation detection device detects the pedal actuation and an actuating fo... | 10/31/2006 |
| 7107769 | Master cylinder A combined master cylinder and dump valve includes a piston slideable within a body bore that defines a master cylinder for pressurizing a brake port. The piston includes a piston seal for isolating a pressure port from a tank port, a piston bore, a first piston hol... | 09/19/2006 |
| 7104179 | Braking device, and method of manufacture A braking device and a method of manufacture of such a braking device. The braking device has a booster (1) formed of a cover (12) and of a cylinder (10). A central orifice (8) is formed on the cylinder. A master cylinder (5) has a... | 09/12/2006 |
| 7077482 | Vehicle braking system A simulator piston is slidably fitted in a control piston to form a stroke liquid chamber between itself and an end wall of a control piston. A port which is closed at a forward limit of the control piston with respect to a backup piston is provided in the end wall ... | 07/18/2006 |
| 7055867 | Brake servo comprising a connecting element with a defined angular position The present invention relates to a brake booster with at least one booster housing section including an opening into which a sealing element made of a flexible material is mounted, said sealing element including a recess into which a pneumatic connecting element, in... | 06/06/2006 |
| 7051640 | Pneumatic brake booster with reduced dead travel and braking system comprising such a booster A pneumatic brake booster with reduced dead travel comprising a skirt (10) which can move in a sealed manner in a casing, delimiting a low-pressure chamber and a variable-pressure chamber, with respect to a pneumatic piston (16) over a certain travel. ... | 05/30/2006 |
| 7044566 | Caging arrangement for a spring A caging arrangement for setting a spring height and correspondingly chamber size in a master cylinder. A cylindrical member has a convoluted surface that is placed in a bore of a piston and a ball is pressed into the cylindrical member to radially expand the convol... | 05/16/2006 |
| 7040217 | Tie rod for a brake booster A first and second tie rods locating between a front shell and a rear shell of a brake booster through which a master cylinder is connected to a support member. Each of the first and second tie rods have a head that engages the rear shell and a first shaft that exte... | 05/09/2006 |
| 7040387 | Heat transfer device An apparatus for transferring heat from a first fluid to a second fluid, which is separated from the first fluid, having a stack-like or saucer-like structure comprising at least two plies (1, 2, 3), in particular plates (1, 2, 3), whereby each ply ( | 05/09/2006 |
| 7004751 | Gas burner assemblies, methods for assembling, and gas fired appliances employing same A gas burner assembly includes in one embodiment a top plate having at least one port for discharging fuel and a downwardly-depending, peripheral edge having a plurality of spaced-apart slots, and a bottom base having a peripheral edge disposed within the downwardly... | 02/28/2006 |
| 6996984 | Air-to-oil intensifying cylinder A pressure intensifier for generating a relatively large force includes a plurality of pistons driven in advancing and retracting directions. The pressure intensifier includes a body having a cavity used as an internal fluid reservoir. Furthermore, a damping mechani... | 02/14/2006 |
| 6990812 | Control valve for a hydraulic brake booster A control valve of a hydraulic brake booster for use in a brake system. The control valve is characterized by a shuttle member having a stem on a first end and an annular projection on a second end. The stem has an annular surface thereon that is matched with an ori... | 01/31/2006 |
| 6981438 | Hydraulic brake booster A hydraulic brake booster has an actuator arrangement for a control valve that includes a ball that is located in a first sleeve retained in a stepped bore of a cylindrical member and a pin that is retained in the cylindrical member. The pin has a first end that is ... | 01/03/2006 |
| 6966615 | Hydraulic braking pressure generating apparatus for a vehicle and a hydraulic brake device for a vehicle including a hydraulic braking pressure generating apparatus A hydraulic braking pressure generating apparatus for a vehicle includes a hydraulic pressure generator for generating a predetermined hydraulic pressure irrespective of a braking operation of a brake operation member and for outputting the predetermined hydraulic p... | 11/22/2005 |
| 6957871 | Vehicle brake device A more reliable hydraulic brake device is proposed which is capable of regenerative cooperative control and eliminates wasteful consumption of electric power. In a hydraulic brake device capable of regenerative cooperative control, a hydraulic pressure adjusting dev... | 10/25/2005 |
| 6955047 | Master cylinder Disclosed is a master cylinder wherein a seal member is given plural seal functions to reduce the number of seal members for partitioning a drain portion of the master cylinder, a constant-pressure chamber of a booster and the atmosphere from one another, so that th... | 10/18/2005 |
| 6907731 | Master cylinder apparatus A master cylinder apparatus is provided with a master cylinder and a booster. The booster comprises a booster shell whose interior is divided into a variable and constant pressure chambers. The master cylinder comprises a master piston inserted in a cylinder body. T... | 06/21/2005 |
