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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8056524 | Lash adjuster A return spring is formed using a compression coil spring that is installed so that its axial direction is an up-down direction. The return spring is provided in a high-pressure chamber, and powers a plunger in an upwards direction. A coil diameter of the return spr... | 11/15/2011 |
| 7810461 | Lash adjuster A return spring is formed using a compression coil spring that is installed so that its axial direction is an up-down direction. The return spring is provided in a high-pressure chamber, and powers a plunger in an upwards direction. A coil diameter of the return spr... | 10/12/2010 |
| 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 |
| 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 |
| 7089900 | Hydraulic lash adjuster and improved method of assembly thereof A hydraulic lash adjuster (11) for an internal combustion engine, and an improved method of assembly of such a lash adjuster. The lash adjuster (11) is of the type having a body (13), a plunger (15), and a check valve assembly (17)... | 08/15/2006 |
| 7047925 | Dual feed hydraulic lash adjuster An improved dual feed hydraulic lash adjuster (HLA), for use in an internal combustion engine, comprising a hollow body and a plunger assembly disposed in a bore of the engine. A one-piece plunger body includes a first chamber for forming a low-pressure oil reservoi... | 05/23/2006 |
| 6622679 | Cup tappet The cup tappet (1) of the invention for a valve train of an internal combustion engine comprises a hollow cylindrical skirt (2) whose one end (3) is connected to a bottom (5) for making contact with a cam. The skirt (2) has a clearly smaller height than t... | 09/23/2003 |
| 5584268 | Low inertia rocker arm with lash adjuster and engine valve An automotive type engine valvetrain rocker arm is constructed with a hydraulic lash adjusting assembly, with the mass of the adjusting assembly being closely adjacent the pivot axis of the rocker arm to minimize the rotational moment of inertia of the ro... | 12/17/1996 |
| 5295460 | Hydraulic valve play equalization element A hydraulic valve play equalization element for the valve drive of an internal combustion engine is disclosed. The equalization element comprises an inner tappet and an outer tappet arranged to move relative to one another in the axial direction. The outs... | 03/22/1994 |
| 5129373 | Self-contained hydraulic lash adjuster with pressurizing diaphragm A self-contained lash adjuster includes a closed end cylinder body and a plunger in the cylinder defining a pressure chamber at the closed end of the cylinder and an internal reservoir connected with the chamber by a one-way passage in the plunger. A diap... | 07/14/1992 |
| 5107806 | Hydraulic valve-clearance compensating element for internal combustion engines A hydraulic valve-clearance compensating element for internal combustion engines in which an internal valve stem is capable of being axially shifted relative to an external stem such that, together with the latter, it delimits an oil-filled storage chambe... | 04/28/1992 |
| 5022361 | Valve-lash adjustment system The valve-lash adjustment system 10 includes a load-carrying spacer means 82 adjacent the hydraulic valve-lash assembly which is interposed between said hydraulic valve-lash assembly and said free end 12 of the valve stem, the thickness of said load-carry... | 06/11/1991 |
| 4840151 | Sealed-type lash adjuster A sealed-type lash adjuster includes a cylindrical body; a plunger received in the body and forming a chamber with the bottom of the body; and a diaphragm mounted between an open end of the body and the plunger, and forming a reservoir for hydraulic oil t... | 06/20/1989 |
| 4825824 | Valve clearance adjusting device Method of oil and gas tightly fastening a diaphragm made of an elastomer material with respect to the tappet as well as the adjusting element within a hydrostatic valve clearance adjusting device and configuration of the same. Clamping rings are form-lock... | 05/02/1989 |
| 4815425 | Diaphragm seal for a valve tappet A valve tappet assembly has a hollow tappet body, a valve clearance adjusting element spaced from the inner wall face of the tappet body and having a circumferential groove, an elastomer annular diaphragm having an outer edge zone adjoining the inner wall... | 03/28/1989 |
| 4798180 | Self-contained hydraulic lash adjuster A self-contained hydraulic lash adjuster in which a bag member is disposed in a reservoir chamber formed within a plunger. An open upper end portion of the bag member is fixedly mounted with a metal ring therein so as to be fixed to an upper end portion o... | 01/17/1989 |
| 4798179 | Hydraulic oil for use in sealed-type, lash adjusters A hydraulic oil for a sealed-type lash adjuster is engine oil based, comprising mineral oil as a principal component, and 3% or less by weight of an additive which includes at least one of an anti-oxidant, a detergent-dispersant, a rust preventative, and ... | 01/17/1989 |
| 4779583 | Cup-type tappets for use in internal combustion engines A piston-cylinder cup-type tappet for an internal combustion engine comprises an outer housing defining a first cavity and a hollow piston having a second cavity with the hollow piston being disposed in the first cavity. An aperture provides for fluid flo... | 10/25/1988 |
| 4763617 | Sealed-type hydraulic lash adjuster A sealed-type hydraulic lash adjuster having a reservoir chamber holding a hydraulic oil having a molecular weight distribution substantially equal to the molecular weight distribution of the exterior oil surrounding the lash adjuster. The approximate mat... | 08/16/1988 |
| 4762100 | Inverted bucket tappet with improved seal and valve stem pad A self-contained lash adjuster includes a generally cup-shaped follower having an end face and a lash adjuster cartridge assembly positioned within the follower. The cartridge assembly includes a body positioned against the follower end face and a recipro... | 08/09/1988 |
| 4735197 | Hydraulic lash adjuster A hydraulic lash adjuster of the closed-type including a closed cylinder with a plunger positioned therein defining a hydraulic chamber at the closed end of the cylinder. An annular diaphragm extending between the cylinder and the plunger as a reservoir. ... | 04/05/1988 |
| 4715334 | Self contained hydraulic bucket lifter A hydraulic lash adjusting tappet (10) for use in engine valve gear of the direct-acting type have one end of the tappet contacting the end (26) of the combustion chamber valve stem (22) and the other end contacting the camshaft lobe (16). The tappet has ... | 12/29/1987 |
| 4694790 | Inverted bucket tappet with collapsing diaphragm seal A self-contained lash adjuster includes a generally cylindrical cup-shaped follower with a closed end and a lash adjuster cartridge assembly mounted by a spacer within the follower. The cartridge assembly includes a reciprocally movable body and a plunger... | 09/22/1987 |
| 4688526 | Self-contained hydraulic bucket lifter A hydraulic lash adjusting tappet (10) for use in engine valve gear of the direct-acting type having one end of the tappet contacting the end (26) of the combustion chamber valve stem (22) and the other end contacting the camshaft lobe (16). The tappet ha... | 08/25/1987 |
| 4686947 | Hydraulic cup-shaped valve tappets An hydraulic cup-shaped valve tappet for internal combustion engines with overhead camshaft comprising an outer hollow cylindrical housing (7) closed at one end by a bottom (3) in which is provided, concentrically radially spaced, a guide tube starting f... | 08/18/1987 |
| 4662325 | Self-contained hydraulic valve lifter A self-container hydraulic valve lifter includes a lifter body slidably mounted in a lifter case, a free piston slidably mounted between the lifter body and the lifter case, a plunger slidably mounted in the lifter body and dividing an interior portion of... | 05/05/1987 |
| 4656978 | Valve clearance adjusting device An engine valve actuating mechanism includes a hollow reciprocating tappet, a tappet bottom arranged for engagement with a rotary cam of an engine cam shaft, a valve clearance adjusting device accommodated in the tappet and including a valve clearance adj... | 04/14/1987 |
| 4649875 | Oiltight hydraulic tappet for controlling an internal combustion engine valve The hydraulic tappet comprises a cup-shaped body having a cylindrical side wall and a flat bottom wall, a piston element moving axially inside a cavity, formed in the said bottom wall and defining a first pressure chamber, an annular element of deformable... | 03/17/1987 |
| 4640238 | Oiltight hydraulic tappet for controlling an internal combustion engine valve Hydraulic tappet comprising a cup member, the latter sliding in a seat and housing a second cup member sliding in relation to the first in such a manner as to form a first chamber, and a flexible annular member located essentially inside the said second c... | 02/03/1987 |
| 4632075 | Oiltight hydraulic tappet for controlling an internal combustion engine valve Hydraulic tappet essentially comprising a first cup member sliding in a seat; a second member sliding axially in relation to the first; a third annular member located inside the said first cup member and having a sleeve, inside the inner bore of which the... | 12/30/1986 |
| 4624225 | Self-contained lash adjuster with diaphragm-type seal A self-contained lash adjuster has a generally cup-shaped follower and a spacer mounting a lash adjuster cartridge assembly within the follower. The cartridge assembly includes a movable body and a plunger, with a high pressure chamber being defined betwe... | 11/25/1986 |
| 4610225 | Hydraulic tappet for controlling an internal combustion engine valve There is disclosed a hydraulic tappet comprising a bucket element which slides inside a seat and houses a second bucket element that slides over an annular member integral with the first bucket element in such a manner as to form a first chamber. A deform... | 09/09/1986 |
| 4590899 | Self-contained lash adjuster with shell mounted cartridge assembly A self-contained lash adjuster includes a generally cylindrical cup-shaped follower which has an end face. A lash adjuster cartridge assembly is positioned within the follower. The cartridge assembly includes a reciprocally movable body and a plunger with... | 05/27/1986 |
| 4574750 | Self-contained hydraulic lifter A self-contained hydraulic lifter used in valve trains of internal combustion engines having a cylindrical body, a plunger arranged slidably therein, and a diaphragm arranged in the plunger. A metal ring is embedded in the upper portion of the diaphragm a... | 03/11/1986 |
| 4535734 | Self-contained hydraulic lash adjuster A self-contained hydraulic lash adjuster having a cup-shaped body and a plunger slidably disposed therein is further provided with a flexible diaphragm secured within a reservoir chamber located in the plunger with one side of said diaphragm being exposed... | 08/20/1985 |
| 4491098 | Device for altering cam profile A rocker arm adapter for use in the timing mechanism of an internal combustion engine is disclosed. The adapter is a method for altering the cam profile of the exhaust valve of the engine with respect to the intake valve. It includes a fluidic delay devic... | 01/01/1985 |
| 4457270 | Hydraulic lifter An oil-containing hydraulic lifter for lash adjustment comprising relatively movable cylinder and plunger members defining a pressure chamber between their closed ends and a reservoir chamber within the plunger. Means are provided for rapid, one-way flow ... | 07/03/1984 |
| 4402285 | Self-contained hydraulic lash adjuster A self-contained hydraulic lash adjuster of the type having a hollow cylindrical plunger slidably and sealingly disposed in a hollow cylindrical body, a reservoir chamber in the plunger, a pressure chamber between the bottom of the plunger and the bottom ... | 09/06/1983 |
| 4397271 | Semi-self-contained hydraulic lash adjuster A semi-self-contained hydraulic lash adjuster includes a generally cylindrical cup-shaped follower which will be positioned with the open side down, defining a chamber within the follower. A body is positioned axially within the chamber and is supported b... | 08/09/1983 |
