Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7707982 | Valve rotating mechanism for exhaust valves, especially of marine diesel engines A valve rotating mechanism for exhaust valves, especially of marine diesel engines, which mechanism is braced in a valve housing for the valve stem (1) between an upper and a lower drive element, is linked to the lower drive element via a freewheel device, wh... | 05/04/2010 |
| 7533641 | Poppet valve and engine using same One embodiment of the present invention provides a poppet valve offering an increased valve area, comprising an outer valve head comprising an outer valve port and an inner valve head comprising an inner valve port. The inner valve head is rotatable relative to the ... | 05/19/2009 |
| 7318577 | Motor-operated valve assembly A motor-operated valve assembly has a housing, a motor, a driving force transmission means and a valve member. The housing has a fluid passage therein. The motor is installed in the housing. The driving force transmission means has an output rotor rotatably supporte... | 01/15/2008 |
| 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 |
| 7134410 | Detachable connection for coupling a gas exchange valve of an internal combustion engine to an actuator Disclosed is a simple, easy-to-produce, and reliable connection between a shaft of a gas exchange valve and an actuator. This connection is detachable and, as a result, can be connected and disconnected multiple times. It is also possible to dispose the coupling pie... | 11/14/2006 |
| 7121244 | Anti-rotation guide for a roller follower valve lifter An anti-rotation guide for preventing rotation of a roller follower valve lifter in an internal combustion engine. The guide has an outer surface for engaging an engine bore and an inner surface for slidably receiving the lifter. One end of the guide includes an ant... | 10/17/2006 |
| 6978749 | Means to add torsional energy to a camshaft A device for providing additional torsional energy for a cam shaft is provided. The device includes at least one main cam lobe formed on a rotating shaft; a valve operating mechanism disposed to be engaged by the main cam lobe; and an outer cylinder encompassing the... | 12/27/2005 |
| 6901897 | Method and intake cam for retaining exhaust residuals for emissions reduction in a diesel engine A diesel engine intake cam profile creates two intake valve events separated by a short dwell period each engine cycle. A relatively low valve lift during an engine exhaust event allows a portion of the exhaust gas to flow into an intake manifold and mix with intake... | 06/07/2005 |
| 6840200 | Electromechanical valve assembly for an internal combustion engine An electromechanical valve assembly 46 for an internal combustion engine 36 is provided. The valve assembly 46 includes a rotor 68 centered about a first axis 122 having a bore 114 extending generally axially therethrough. T... | 01/11/2005 |
| 6662770 | Valve rotating device The invention relates to a valve rotator having an annular body in which are circumferentially provided several ball pockets having inclined ball races and in which a ball and a tangential spring are located in each case. In a rest position, the tangentia... | 12/16/2003 |
| 6539903 | Compound movement elliptic valve assembly The invention aims at achieving better filling of the cylinders located in the body of the valve (1) by implanting valves (2) with an elliptical head (3) whose linear opening/closing movement is complemented by a lateral rotation with a 55° amplitude, sa... | 04/01/2003 |
| 6516765 | Passively rotating valve A valve arrangement includes a valve member that rotates within a valve guide such that a frictional wear area is unlikely to occur on a discrete location of the valve stem and/or the valve guide. The valve guide includes a bore, the bore defining a longi... | 02/11/2003 |
| 6283073 | Solenoid-operated valve control apparatus for internal combustion engine A control apparatus for a solenoid-operated valve that functions as an intake or exhaust valve of an internal combustion engine includes a lower spring biasing a valve body of the valve in a valve closing direction and upper and lower coils disposed above... | 09/04/2001 |
| 6276323 | Valve drive mechanism for DOHC engine A valve drive mechanism for a DOHC engine which leaves sufficient installation space for a functional part (16) to be located at a central portion of each of cylinder bores (15) even if each cylinder bore is relatively small. When viewed from the top, two... | 08/21/2001 |
| 6244229 | Valve lifter for three-dimensional cam and variable valve operating apparatus using the same A valve lifter for a three-dimensional cam and a variable valve operating apparatus have enhanced flexibility in the design of a detent mechanism of the valve lifter for the three-dimensional cam, as well as enhanced durability. It is possible to form a t... | 06/12/2001 |
| 6237553 | Arrangement for driving valves A valve drive arrangement for use in an engine having a pair of intake valves and a pair of exhaust valves for each cylinder. Each pair of intake valves are coupled to each other by a valve bridge and forced downwards simultaneously by a single rocker arm... | 05/29/2001 |
| 5829396 | Hydraulically controlled intake/exhaust valve A camless valve assembly for an internal combustion engine which utilizes a plurality of three position control valves to open and close the intake and exhaust valves of the assembly. Each valve is coupled to a plurality of hydraulically driven pins that ... | 11/03/1998 |
| 5803033 | Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve A valve drive apparatus having a shim which is prevented from interfering with a cylinder head without decreasing abrasion resistance between the shim and a lifter contacting the shim. A three-dimensional cam includes a cam portion having a slanting cam s... | 09/08/1998 |
| 5606942 | Valve operating system for multi-valve engine A number of embodiments of overhead cam internal combustion engines having multiple intake and exhaust valves. The valve actuating mechanism is such that the valves are opened at a non-symmetrical rate so as to minimize the clearance requirements at top d... | 03/04/1997 |
| 5353756 | Valve operating system structure with variable valve timing mechanism The valve operating system structure with a variable valve timing mechanism of the invention comprises an intake valve or an exhaust valve provided for an engine, a low speed cam having a cam profile for a low speed valve timing and rotatable in response ... | 10/11/1994 |
| 5343835 | Valve spring retainer A keyless valve spring retainer for an internal combustion engine. The valve spring retainer has a high load strength yet can be easily assembled or unassembled on a valve stem. It includes a curved arm portion which permits the spring retainer to be loca... | 09/06/1994 |
| 5226389 | Direct acting tappet A non-hydraulic direct acting tappet in the form of a cup-shaped body and a replaceable, cylindrical insert retained within a support formed inside the body. In a preferred embodiment, the support is in the form of a cylindrical boss formed on the inner e... | 07/13/1993 |
| 5148779 | Valve rotating apparatus of internal-combustion engine A valve rotating apparatus of an internal-combustion engine comprises a valve biased in the closing direction by a coil spring, a valve lifter disposed on an engine head in such manner as to be vertically movable together with the valve, a cam formed on a... | 09/22/1992 |
| 5099812 | Cylinder head for internal combustion engine A cylinder head construction for a multiple valve engine that permits the use of at least three intake valves while permitting a single piece head construction and offering ease of access of the hold down fasteners for the cylinder head. The intake tappet... | 03/31/1992 |
| 4928650 | Operating arrangement for internal combustion engine poppet valves and the like A first rocker arm is used to induce valve lift while a second one used to move the valve back to closed position. The rocker arms are arranged to engage the valve top or retainer surfaces at locations offset from the axis of the valve and to induce the v... | 05/29/1990 |
| 4805568 | Swing valve for internal combustion engines A valve assembly mounted in the head of an internal combustion engine. The valve is driven on the stem thereof in an arcuate motion so that the valve does not oscillate along its longitudinal axis, but instead swings slightly away from its longitudinal ax... | 02/21/1989 |
| 4805567 | Valve mechanism for at least two simultaneously actuable valves A pair of adjacent valves (intake or exhaust) are operated by a single cam lobe on an engine camshaft via a bucket tappet, the arrangement being such that both the bucket tappet and the valves are rotatable during engine operation to reduce wear thereof. ... | 02/21/1989 |
| 4739968 | A disc valve control means The invention relates to a valve-controlled system, particularly for use in an internal combustion engine, comprising a valve stem and a valve disc extending at an oblique angle to the axis of the valve stem. The valve disc is adapted to be lifted from an... | 04/26/1988 |
| 4682573 | Valve gear for use in a four cycle engine Disclosed is a valve gear for use in a four-cycle engine which eliminates the necessity of providing a cam shaft. In the valve gear, a guide or guides, each of which is shaped like a closed curve making two rounds of a crank shaft with one intersection on... | 07/28/1987 |
| 4643142 | Squish control engine Squish control is provided in an internal combustion engine such as a diesel engine by providing in a preferred embodiment arcuate dams on the inner faces of rotatable intake and exhaust valves or the like which coact with arcuate grooves or recesses of t... | 02/17/1987 |
| 4559909 | Valve mechanism for an internal combustion engine A valve mechanism for a poppet valve of an internal combustion engine having a conventional cam and rocker arm control mechanism. Valve springs are positioned and compressed between the poppet valve and a valve spring retainer. The valve spring retainer m... | 12/24/1985 |
| 4502433 | Valve construction for multi-fuel engine A multi-fuel engine is capable of running on lead free gasoline, leaded gasoline, and liquid propane. The engine has a valve seat and an exhaust valve. The valve seat has a seating surface. The exhaust valve has an axis, a seating face, and is of dimensio... | 03/05/1985 |
| 4309966 | Eccentric, oscillating intake valve In order to improve volumetric efficiency and to encourage swirling flow inside a combustion chamber of a reciprocating engine, an intake valve is provided having its stem located eccentrically with respect to the head of the valve. The valve stem guide b... | 01/12/1982 |
| 4309969 | Induction system with high-swirl intake valve An induction system for an internal combustion engine includes an intake port in the cylinder head of the engine with this intake port having a straight cylindrical wall portion terminating at an angular valve seat and, a high-swirl intake valve cooperati... | 01/12/1982 |
| 4137886 | Air intake system for an internal combustion engine An air intake system for an internal combustion engine, particularly for a diesel engine containing a cylinder having a combustion chamber therein, is disclosed. The system comprises a spiral-shaped intake port formed in the cylinder head. The spiral-shap... | 02/06/1979 |
| 4134372 | Valve rotating device A device for rotating a reciprocating valve executing alternating opening and closing strokes has an overrunning clutch coupled to the valve stem; a control lever; a first articulation connecting the control lever to the overrunning clutch; and a second a... | 01/16/1979 |
| 4075987 | Valve rotator An improved valve rotator includes a plurality of biasing springs which are effective to urge associated balls toward the shallow ends of ramps formed between a pair of housing members. The total force applied against the balls by the biasing springs is s... | 02/28/1978 |
| 4007716 | Offset valve lifter effecting valve rotation An arrangement for rotating a valve of a reciprocating internal combustion engine relative to the valve seat in addition to the normal reciprocating motion of the valve, whereby to more evenly distribute wear on the valve and on the valve seat, and, in th... | 02/15/1977 |
