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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7421994 | Hydraulic lash adjuster having a check valve cartridge sub-assembly An improved hydraulic lash adjuster including a cup-shaped adjuster body, and a plunger assembly disposed within the adjuster body. The plunger assembly includes a stepped axial bore extending from a body inner end to a central oil passage opening onto a hemispheric... | 09/09/2008 |
| 7409941 | Valve-deactivating hydraulic lifter having a vented internal lost motion spring A deactivating hydraulic valve mechanism includes a hydraulic element assembly disposed within cup within a pin housing slidably disposed within a bore in a body. A transverse bore in the pin housing contains selectively-retractable locking pins that engage a lockin... | 08/12/2008 |
| 7392819 | Method of setting the ball travel of a valve-lash-adjusting element The invention relates to a method of setting the ball travel of a valve-closing body, designed as valve ball, of a control valve of a hydraulic valve-lash-adjusting element which has a plunger with a plunger head and a central bore, a valve seat being provided at th... | 07/01/2008 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7210439 | Switching element for a valve train of an internal combustion engine The invention proposes a switching element (1) for a valve train of an internal combustion engine, particularly for valve deactivation, with a simple-to-implement measure for adjusting the coupling lash of its coupling means (8) in a receptacle (6 | 05/01/2007 |
| 7207303 | Switching element A switch element (1) is proposed for valve shut-off, fabricated as cam follower for a plunger rod valve drive of an internal combustion engine, having an outer part (2) and an inner element (4) axially movable in its bore (3) and with rot... | 04/24/2007 |
| 7191745 | Valve operating assembly The present invention relates to a lash adjuster body, comprising A lash adjuster body, comprising an outer surface, enclosing a cavity, wherein the cavity includes an inner surface configured to accommodate an insert and a spring; and the cavity is fabricated throu... | 03/20/2007 |
| 7150507 | Self cleaning orifice A self-cleaning orifice includes a housing having a bore defined therein. The bore includes a first diameter inlet portion and a second diameter outlet portion, with a seating surface defined between the inlet and outlet portions. A movable body having a seating sur... | 12/19/2006 |
| 7131411 | Adjustable fast bleed lifter A limited leak-down variable duration lifter and its adjustment is provided to maximize performance gains at low engine rpm when used with a conventional cam and more particularly with a conventional hi-performance camshaft. The increased performance gains were here... | 11/07/2006 |
| 7128034 | Valve lifter body The present invention relates to a valve lifter body, comprising an outer surface, enclosing a first cavity and a second cavity, wherein the first cavity includes a first inner surface configured to house a cylindrical insert, the second cavity includes a second inn... | 10/31/2006 |
| 7117833 | Readily-fillable hydraulic valve lifter assembly A hydraulic valve lifter including venting means to assure venting of air through the lifter and filling thereof with oil during pre-start filling of the engine oil galleries after engine assembly. Patterning of a hemispherical pushrod seat surface, and/or patternin... | 10/10/2006 |
| 6920857 | Deactivation hydraulic valve lifter having a pressurized oil groove A deactivation hydraulic valve lifter which includes an elongate lifter body having a substantially cylindrical outer surface and an inner wall, the inner wall defining at least one annular pin chamber therein. The outer surface defining at least one annular groove ... | 07/26/2005 |
| 6901328 | Method and arrangement for detecting the end of a start operation in an internal combustion engine of a motor vehicle A method and an arrangement for detecting the end of a start operation in an internal combustion engine (1) of a motor vehicle make it possible to distinguish the start operation from a steady-state condition of the engine (1) even for starters having ... | 05/31/2005 |
| 6805085 | Hydraulic system for an internal combustion engine A hydraulic system (1) for a switchable valve drive element (10) of an internal combustion engine (33) is provided and includes a throttled connection (13) created from a second channel (9), used to actuate a hydraulic play-compens... | 10/19/2004 |
| 6802288 | Deactivation hydraulic valve lifter having a pressurized oil groove A deactivation hydraulic valve lifter which includes an elongate lifter body having a substantially cylindrical outer surface and an inner wall, the inner wall defining at least one annular pin chamber therein. The outer surface defining at least one annular groove ... | 10/12/2004 |
| 6769385 | System for controlling engine valve seating velocity A velocity control system for an engine valve is provided. The system includes a valve having a housing defining an opening, a chamber adapted to receive a fluid, a first fluid passageway connecting the opening with the chamber, a second fluid passageway connecting ... | 08/03/2004 |
| 6748914 | Refillable metering valve for hydraulic valve lifters Oil metering valve means in a hydraulic valve lifter configured such that a metering plate cooperates with a pushrod seat to meter the flow of oil in a forward direction. The metering means is also conducive to the flow of oil in the reverse direction, permitting an... | 06/15/2004 |
| 6718923 | Hydraulic play compensation element for a valve gear of an internal combustion engine The aim of the invention is to functionally improve a hydraulic play compensation element for a valve gear of an internal combustion engine. To this end, the play compensation element is characterized by the following features. Both components (4; 6) enclose ... | 04/13/2004 |
| 6712030 | Internal-combustion engine with hydraulic system for variable operation of the engine valves In an internal-combustion engine with a hydraulic system for variable operation of the valves, the tappet actuated by each cam of the camshaft is slidably mounted in a tubular body which is made of a single piece with a bushing for guiding the valve-actuating piston... | 03/30/2004 |
| 6619252 | Switchable tappet for the direct transmission of a cam lift to a tappet push rod What is proposed is a switchable tappet (1) for the direct transmission of a cam lift to a tappet push rod. The tappet (1) comprises a hydraulic clearance compensation element (31) and has an excellent hydraulic rigidity compared to the prior art. This is... | 09/16/2003 |
| 6584942 | Cylinder deactivation apparatus with vapor purge Deactivation apparatus for selected cylinders of an engine include switching hydraulic lash adjusters or valve lifters forming part of a valve train for actuating engine valves of the selected cylinders and operable to actuate or release their respective ... | 07/01/2003 |
| 6536391 | Compact hydraulic lash adjuster A hydraulic lash adjuster includes a leak down land and a support land that are substantially cylindrical. The support land is substantially coaxial relative to the leak down land, and at least a portion of the support land is disposed radially opposite t... | 03/25/2003 |
| 6523510 | Valve drive mechanism for engine A valve drive mechanism includes a tappet assembly which comprises a center tappet, a pair of side tappets between which the center tappet is interposed so as to move relatively to the side tappets, and a locking/unlocking mechanism operative to mechanica... | 02/25/2003 |
| 6520130 | Internal-combustion engine with hydraulic system for variable operation of the valves and with means for bleeding the hydraulic system In an internal-combustion engine with a hydraulic system for variable operation of the valves, associated to the tappet controlled by each cam of the cam shaft is a passage for bleeding the hydraulic system.... | 02/18/2003 |
| 6318323 | Tappet for a valve mechanism of an internal combustion engine A tappet (1) with a hydraulic clearance compensation element (7), a positive opening of a one-way valve (15) being effected during a base circle region of the contacting cam (5) whereby a closing member (16) of the one-way valve (15) is loaded by ... | 11/20/2001 |
| 6318322 | Valve drive of an internal combustion engine A valve drive (1) including of a hydraulic support element (2), a finger lever (18) supported on the support element (2), and a cam (25) of a camshaft (26), is provided with opening mechanisms (27, 28, 29) for the forcible opening of a check valve (14) of... | 11/20/2001 |
| 6039018 | Hydraulic lash adjuster with plunger inner control ring A hydraulic lash adjuster having, in preferred embodiments, a body carrying a reciprocable plunger defining with a closed end of the body, a high pressure oil chamber from which oil may escape through a primary clearance between the plunger and body. Make... | 03/21/2000 |
| 6006710 | Hydraulic lash adjuster mechanism with pressure controlled leak down A hydraulic lash adjuster mechanism for an internal combustion engine, the adjuster having a body having a bore formed therein with a piston slidingly received within the bore. The lash adjuster is in communication with one end of a cam follower that is i... | 12/28/1999 |
| 5967105 | Hydraulic lash adjuster with an open ended top plunger surface A hydraulic lash adjuster mechanism for an internal combustion engine having a body portion with a bore formed in the body portion having a bottom surface. A plunger having a top surface is slidingly received within the bore of the body portion. The plung... | 10/19/1999 |
| 5964193 | Synchronous hydraulic lash adjuster A system for minimizing lash in the valve components of an internal combustion engine including a lash adjuster assembly with a body having a closed bore formed therein. A piston is slidingly received within the bore. A cam is in communication with one su... | 10/12/1999 |
| 5931132 | Hydraulic lash adjuster with pressure relief check valve A hydraulic lash adjuster mechanism for an internal combustion engine, the adjuster having a body with a bore formed therein, a plunger slidingly received within the bore, and a high pressure chamber formed between the bottom of the bore and the plunger. ... | 08/03/1999 |
| 5862784 | Hydraulic lash adjuster and check valve opening arrangement therefor A hydraulic lash adjuster of the type in which the plunger assembly (15) includes a ball plunger element (50), and defines a valve opening (57) in the lower plunger member (19). A check valve member (53) is seated in the valve opening (57), for opening th... | 01/26/1999 |
| 5860399 | Hydraulic clearance compensation element A hydraulic clearance compensation element free of prior art disadvantages and manifesting substantially higher sink values over a wide range of temperatures.... | 01/19/1999 |
| 5787850 | Hydraulic clearance compensation element The clearance compensation element (1) of the invention which can be installed, for example, in a valve drive of an internal combustion engine has a certain idle stroke function for undesired overpressure states of its high pressure chamber (12) during a ... | 08/04/1998 |
| 5749340 | Hydraulic tappets A hydraulic tappet comprises an open-ended cylinder and a piston slidably accommodated in the cylinder. One end of the piston projects out of the open end of the cylinder and engages a valve rocker. A gear mechanism is provide to effect rotation of the cy... | 05/12/1998 |
| 5623898 | Variable duration hydraulic valve lifters Variable duration hydraulic lifters having either the conventional flat bottom surface or a roller mounted in their bottom end for engagement with a cam. The unique plungers have an upper portion and a lower portion whose outer cylindrical surfaces have g... | 04/29/1997 |
| 5245958 | Direct acting hydraulic valve lifter An improved direct acting hydraulic valve lifter (DAHVL) has features including reduced dead oil storage with lower mass and faster filling, improved air venting, internal oil recirculation and targeted oil supply that combine to reduce the presence of ai... | 09/21/1993 |
| 5241927 | Internal combustion engine with different exhaust and intake valve operating characteristics An internal combustion engine is provided with variable duration valve lifters on the exhaust valve train having response characteristics that are different from the valve lifters on the intake valve train. Either the intake valve train can be fitted with... | 09/07/1993 |
| 5018488 | Hydraulic tappets A hydraulic tappet for an internal combustion engine has a collar located axially on a valve stem, the outer periphery of the collar slidably engaging a cylindrical bore which is coaxial with the valve stem. A cap having a central tubular formation which ... | 05/28/1991 |
| 4977867 | Self-adjusting variable duration hydraulic lifter A self-adjusting variable duration hydraulic lifter utilizes two plungers within the cylindrical lifter body which move together to shorten the overall top-to-bottom length of the internal plunger pair during the valve opening cycle of the engine at low R... | 12/18/1990 |
