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| Number | Title | Issue Date |
| 7926268 | Master cylinder A master cylinder includes a cylinder body, a reservoir connection port formed at a surface of the cylinder body and being in communication with a reservoir, a pressure chamber formed inside of the cylinder body, a reservoir fluid passage connecting the reservoir co... | 04/19/2011 |
| 7918089 | Modular master cylinder body A master cylinder has a body formed from a seamless cylindrical tube. Bosses are welded to an exterior sidewall portion of the tube and have passages communicating with the interior bore. An end cap closes one bore end and includes a passageway for supplying pressur... | 04/05/2011 |
| 7861524 | Master cylinder of brake A master cylinder of a brake is disclosed. The master cylinder includes a cylinder body connected with an oil tank and defining therein a first pressure chamber and a second pressure chamber, which are separated from each other by a partition, a first piston to perf... | 01/04/2011 |
| 7752843 | Hydraulic fluid reservoir and hydraulic pressure control unit A piston is guided by a two-point guide thus allowing a working liquid to smoothly flow into or flow out from a liquid chamber. The liquid chamber is formed into a donut shape and an opening of a passage of the working liquid is arranged at a center portion of the d... | 07/13/2010 |
| 7448211 | Reservoir tank for vehicle brake system A reservoir tank for a vehicle brake system has a tank body including upper and lower shells joined together along mating surfaces. A float and a fluid level sensor are mounted in a fluid level detecting chamber defined in the tank body. The float is fitted on a sha... | 11/11/2008 |
| 7441408 | Fixing of a brake-fluid reservoir The invention relates to a brake fluid reservoir comprising at least two lateral mounting lugs (10, 11) designed to be placed either side of a central mounting lug (20) of a brake master cylinder. Collinear holes (12, 13, 21) traverse these lugs... | 10/28/2008 |
| 7424803 | Method and device for pressure amplification in cylinders, in particular hydraulic rams A method and corresponding cylinder for pressure amplification in cylinders are disclosed. A second pressurizing piston with a small piston rod is arranged within the cylinder, in other words, within the cylinder housing, by means of which the piston surface cavity ... | 09/16/2008 |
| 7412829 | Hydraulic apparatus for a bicycle brake lever device A hydraulic apparatus such as a bleeder screw comprises an inner end, an outer end, and a main body extending between the inner end and the outer end. The main body includes a first section having a threaded outer peripheral surface a second section disposed between... | 08/19/2008 |
| 7299631 | Arrangement for the connection of a brake fluid supply reservoir An arrangement (10) for the connection of a brake fluid supply reservoir (12) to a longitudinal brake master cylinder (14) of a motor vehicle, in which at least one lower supply pipe (16) connected to the reservoir is received in a comple... | 11/27/2007 |
| 7299820 | Hydraulic fluid reservoir In order to prevent hydraulic fluid infiltrating out from a hydraulic fluid tank (1) when a vehicle is in operation, the invention provides for the tank to be compartmentalized by an anti-overflow partition (16). The anti-overflow partition is made in ... | 11/27/2007 |
| 7261382 | Reservoir tank for vehicle brake system A reservoir tank has an inlet/outlet port communicating with a master cylinder, and a hydraulic fluid supply port provided directly opposite the inlet/outlet port. A tubular portion is provided on the inner surface of the tank. The tubular portion has an internal pa... | 08/28/2007 |
| 7261123 | Reservoir tank of a power steering system for a car A reservoir tank of power steering system for a car includes an inlet port delivering oil through a swirl prevention member. The oil is then allowed to flow so swirl does not form in the oil flow of a reservoir tank. Furthermore, bubble formation in the oil is minim... | 08/28/2007 |
| 7255354 | Gas-permeable plug and method for manufacturing the same A gas-permeable plug is adapted to be inserted in an insertion hole formed through a part of a casing in an inward-outward direction. The gas-permeable plug has a plug body and a permeable sheet including therein countless minute permeable pores. The plug body is in... | 08/14/2007 |
| 7246636 | Hydraulic fluid reservoir and hydraulic system A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjace... | 07/24/2007 |
| 7232190 | Reservoir for a hydraulic circuit A tank according to the invention comprises a casing, a filling port (5) extending, on the outside of said tank, into a filling neck (7), which is provided with a screw thread having a pitch (p) and which cooperates with a cap (9). The inner sur... | 06/19/2007 |
| 7222486 | Diaphragm assembly A diaphragm assembly for use with a hydraulic apparatus. The diaphragm assembly includes a cap formed of a rigid material and a diaphragm formed of an elastomeric material. The diaphragm is generally tubular and includes an upper annular collar portion defining an o... | 05/29/2007 |
| 7201287 | Drum vent A venting device for a drum. The venting device includes a body having a pair of opposing sides and defining a plurality of vent passages. The vent passages extend through the body and each an opening at each of the pair of opposing sides. The vent passages are spac... | 04/10/2007 |
| 7197874 | Plunger master brake cylinder In a plunger master brake cylinder (1), the closed end (5) of the main bore (3) is manufactured in one piece with the housing (2). The pistons (6,7) are inserted from the open end (4) of the main bore (3). In order to... | 04/03/2007 |
| 7181911 | Plunger type master cylinder To provide a plunger type master cylinder capable of reducing invalid stroke and preventing residual pressure without impairing durability of a seal ling (70). A piston (91) of the master cylinder has a recess (93) at its outer peripheral surfac... | 02/27/2007 |
| 7175154 | Piston structure and liquid feeder valve Piston structure having a first side and a second side and in a recess (6) formed in an outer portion of the piston (1, 22) a resilient sealing element (5, 11, 21) is placed. The axial width and at least in some places the radial depth of the re... | 02/13/2007 |
| 7171982 | Hydraulic fluid reservoir and hydraulic system A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjace... | 02/06/2007 |
| 7152406 | Master cylinder The invention relates to a master cylinder with a pressure chamber formed in a housing of the master cylinder and a reservoir bore for accommodating a pressure fluid reservoir, a valve with a closing element being provided which due to a pressure difference prevaili... | 12/26/2006 |
| 7086229 | Piston for a hydraulic brake system and master cylinder equipped therewith The invention relates to a piston having a valve arrangement for a vehicle hydraulic brake system comprising a piston channel penetrating the piston, a valve seat formed around an opening of the piston channel, and a valve element, which is displaceable relative to ... | 08/08/2006 |
| 7073333 | Master cylinder A master cylinder includes a cylinder body and primary and secondary pistons slidably received in the cylinder body, thereby defining first and second pressure chambers in the cylinder body. The first and second pressure chambers communicate with a reservoir through... | 07/11/2006 |
| 7073875 | Brake fluid circulation A brake circuit has a brake connected with a master cylinder via a brake application line. The brake master cylinder has a first chamber in which brake fluid is pressurized on movement of a first piston in a brake applying direction by an operating device. The first... | 07/11/2006 |
| 7047868 | Piston and cylinder assembly with push rod retention A piston and cylinder assembly in which the rear end of the piston defines an arcuate concavity opening in the rear face of the piston, a retainer having an arcuate configuration matching the arcuate configuration of the piston concavity is positioned in the concavi... | 05/23/2006 |
| 7010913 | Braking system, in particular for a motor vehicle A supply device for a braking system, comprising at least one reservoir (2) for supplying a master cylinder, and a rigid support (4) for the reservoir (2), characterized in that the reservoir (2) and the fastening support (4) compr... | 03/14/2006 |
| 7003952 | Master cylinder and method of producing the same A master cylinder has a cylinder member in the shape of a cylinder, one end of which is closed, and a piston inserted in the cylinder member to form a pressure chamber in the cylinder member. The cylinder member is formed with a port for providing communication betw... | 02/28/2006 |
| 6996985 | Expansion reservoir for a master cylinder of a hydraulic force transmission system An expansion reservoir is disclosed, which has a fluid chamber defined by a reservoir bottom and a flexible reservoir top movable relative to the reservoir bottom as a function of the reservoir filling level, wherein a hydraulic connection to a master cylinder is pr... | 02/14/2006 |
| 6984000 | Compact tank for an electrohydraulic braking system A tank intended for an electrohydraulic braking system comprises, according to the present invention, a first chamber (7) for the supply of a primary hydraulic circuit of a master cylinder with brake fluid, a second chamber (9) for the supply of a seco... | 01/10/2006 |
| 6964166 | Hydraulic master cylinder for vehicle A hydraulic master cylinder for vehicle has: a cylinder main body; a sleeve; a plurality of seal rings; a plug, a lid member comprising the sleeve and the plug; and a piston inserted into the cylinder bore so as to form a hydraulic pressure chamber between the pisto... | 11/15/2005 |
| 6962166 | Hydraulic fluid reservoir and hydraulic system A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjace... | 11/08/2005 |
| 6928814 | Hydraulic fluid container for a vehicle hydraulic brake system A hydraulic fluid container (10) for a vehicle hydraulic brake system comprises at least one connecting sleeve (14), in which a valve member (20) is displaceably guided. The valve member (20) in a first position, into which it is spring-b... | 08/16/2005 |
| 6907732 | Master cylinder device for brake A master cylinder device for a brake comprise a master cylinder body having a cylinder bore, a reserve tank provided integrally with the master cylinder body so as to have a fluid reserving portion for feeding hydraulic fluid for the brake, a fluid passing port prov... | 06/21/2005 |
| 6892536 | Hydraulic pump unit for vehicle A hydraulic pump unit (1), for a vehicle, that is unusually capable of precise and effective bleeding, comprises a reservoir (2) for the brake fluid, a master cylinder (3) in the said pump connected to the said reservoir, and a bleed circuit ( | 05/17/2005 |
| 6892537 | Brake fluid reservoir, particularly for a motor vehicle A brake fluid reservoir (10) for a motor vehicle having at least one impervious and flexible wall (12) whose capacity is adjusted to the volume of brake fluid contained therein to avoid placing the reservoir at a depression with a drop in the level of ... | 05/17/2005 |
| 6845615 | Master cylinder A master cylinder having a housing with first and second bores that are connected to a same circuit in a braking system. A first piston is sealingly retained in the first bore to define a first chamber and a second piston is sealingly retained in the second bore to ... | 01/25/2005 |
| 6840044 | Master cylinder and pneumatic actuator device for a braking system A master cylinder and booster device for a motor vehicle braking system, in which the master cylinder (10) and the booster (12) are assembled to form a one-piece entity comprising a small reservoir (20) of brake fluid mounted on the master cylin... | 01/11/2005 |
| 6705083 | Master cylinder having a compact profile The subject invention provides a master cylinder having a compact profile. In particular, the master cylinder comprises a hollow body having a continuous outer wall with a continuous thickness. An end wall is integrally formed with the outer wall at a first end to c... | 03/16/2004 |
| 6702136 | Brake fluid reservoir cap assembly design The present invention is an improved reservoir cap for a braking fluid reservoir including a cylindrical skirt for surrounding an opening of the reservoir body, a disc portion having a hard stop formed unitarily with the cylindrical skirt for closing the ... | 03/09/2004 |
