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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 188/266.4 - Having plural openings


Subclass of Class 188 - Brakes
Definition: Rotary valve in which an element of the flow controlling
No. of patents: 80
Last issue date: 03/20/2012


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NumberTitleIssue Date
8136644Arrangement, device and method at a disturbance-eliminating valve for damper
An electronically-controlled damper arrangement includes a valve assembly. The valve assembly features a valve slide that carries at least two pistons. The first piston controls flow through two separate flow paths while the second piston controls damping provided b...
03/20/2012
7287760Vehicle suspension system and method
A control system is operatively associated with a suspension system of a vehicle. The associated suspension system includes an associated fluid spring operating at an associated fluid pressure and an associated variable-rate damper having an associated electronicall...
10/30/2007
7270222Externally adjustable internal bypass shock absorber
A shock absorber that combines both the suspension function and the shock absorbing function in one unit. It has an elongated shock body filled with hydraulic fluid and a piston mounted on a piston rod that reciprocally travels within the shock body. The shock body ...
09/18/2007
7255209Integrated suspension system for vehicle
An integrated suspension system includes a cylinder that hermetically contains gas therein; a piston that has a motor at an upper portion thereof; a disk unit including a second disk that has a plurality of passage holes formed there through and a bottom surface cou...
08/14/2007
7252181Air pressure proportional damper
A suspension system includes an air spring and a shock absorber disposed between the sprung and unsprung portions of a vehicle. A vehicle height sensor sends signals to a control system which adjusts the height of the vehicle by increasing or decreasing the air pres...
08/07/2007
7137634Active control type mounting bushing device for vehicle
An active control type mounting bushing device adapted to properly change the hardness of the mounting bushing according to a driving state, thereby obtaining a proper hardness of the mounting bushing for obtaining a comfortable ride during normal driving conditions...
11/21/2006
7121240Valve controller
The valve controller is driven by a motor. The valve controller has a control circuit and a driving circuit. The driving circuit drives a motor based on a control signal generated by the control circuit and a rotational position signal generated by a rotational posi...
10/17/2006
7051849Magnetorheological fluid damper
A magnetorheological damper device is provided having an increased shear interface area per unit volume of the device, which enhances the stroking force of the damper. The damper generally includes a cylindrically shaped housing; a magnetorheological fluid disposed ...
05/30/2006
7005816Electromagnetic suspension system for vehicle
An electromagnetic suspension system for a vehicle, comprises an electromagnetic actuator interposed between a sprung mass and an unsprung mass and disposed substantially in parallel with an spring element. An electric motor is provided for driving the electromagnet...
02/28/2006
6951267Damping force-variable shock absorber
A damping force-variable shock absorber comprises a cylinder and a piston rod inside the cylinder. The piston rod is linearly moveable relative to the cylinder. An orifice valve plate having a plurality of valve holes is configured and mounted so as to form a circle...
10/04/2005
6942073On/off damper for bikes
An activation device for a damper includes a stopping tube adapted to be securely received in the piston rod and having grooves defined in a peripheral edge of the stopping tube and first teeth formed on the peripheral edge of the stopping tube, a driving tube adapt...
09/13/2005
6915885Oscillation damper with adjustable damping force
Oscillation damper with variable damping force, comprising a valve device, in which an actuator for adjusting the valve device performs a rotary motion against the spring force of a torsion spring, the position of the valve device being determined from the manipulat...
07/12/2005
6793047Hydraulic dashpot
A hydraulic dashpot comprises, first, a cylinder and a piston. The cylinder (1) is charged with shock-absorbing fluid. The piston (3) is provided with ports and valves, is mounted on one end of a piston rod (2) and divides the cylinder into two ...
09/21/2004
6474629Suspension system for motor vehicles
A suspension system for motor vehicles with level regulation for adjusting a predetermined height of the vehicle body includes at least one piston-cylinder unit with a work cylinder, a piston rod and a damping piston having damping valves. A pump is conne...
11/05/2002
6422360Dual mode suspension damper controlled by magnetostrictive element
Parallel paths for damping fluid are provided through the piston of a suspension damper, each of which are provided with separate damping valving sets to control damping. Communication through one of the paths is controlled by a movable control valve memb...
07/23/2002
5911290Step motor actuated continuous variable shock absorber
An adjustable damping shock absorber includes a pressure tube with a piston valve assembly slidably disposed within it. The piston valve assembly includes a compression valve assembly which is biased to a closed position and an extension valve assembly wh...
06/15/1999
5653315Automatic damper system
An automatic damper system for an automobile which includes a plurality of shock absorbers (10). Each of the shock absorbers (10) having a pressure cylinder (48), a first valve member (100) for establishing the first plurality of flow passages, as well as...
08/05/1997
5533597Suspension control device
The present invention provides a suspension control device with which the damping coefficient of the suspension can be easily adjusted on the basis of only the vertical vibration of a body of a vehicle, without measurement of the relative velocity or the ...
07/09/1996
5522482Suspension control system
A suspension control system has a relative displacement sensor for detecting a relative velocity between a vehicle body and a wheel, and a controller which sets a relatively large value as a damping coefficient for the extension stroke of a hydraulic shoc...
06/04/1996
5521821Suspension control system for automotive vehicle
A suspension control system for an automotive vehicle is provided in which a movement of a sprung mass velocity is monitored, when the magnitude of the sprung mass velocity is below a predetermined threshold value, a control unit outputs a control signal ...
05/28/1996
5518090Piston post for a damper
A piston post (54) for use in a damper (10) comprising a pressure cylinder (48) having a working chamber (50) with first and second portions. The piston post (54) has a first flow passage (200) fluidly communicating with the first portion of the working c...
05/21/1996
5497862Hydraulic shock absorber having variable damping force characteristic structure
In a hydraulic shock absorber having a variable damping force characteristic structure, at least one extension phase one-way passageway and one compression phase one-way passageway are formed in a piston body so as to allow a fluid flow to be communicated...
03/12/1996
5431259Damping force control type hydraulic shock absorber
A damping force control type hydraulic shock absorber has a piston that has main hydraulic fluid passages and valve mechanisms and also has a piston rod connected thereto. One side of the cylinder of the shock absorber is provided with a damping force con...
07/11/1995
5409090Damping force control type hydraulic shock absorber
A damping force control type hydraulic shock absorber includes a cylinder having a hydraulic fluid sealed therein. A piston is slidably fitted in the cylinder to divide the inside of the cylinder into two chambers. A main hydraulic fluid passage provides ...
04/25/1995
5402867Shock absorber with auxiliary port in guide member to control hydrodynamic force
A cylinder (7) having a hydraulic fluid sealed therein is fitted with a piston (8) having a piston rod (9) connected thereto. The piston rod (9) is provided with a bypass passage (B) (generating relatively small damping force). The passage area of the byp...
04/04/1995
5383679Arrangement of suspension system for automotive vehicle
An arrangement of a vehicular suspension system is disclosed in which each drive circuit which outputs a drive current to a corresponding one of the actuators installed on each shock absorber is arranged at a position adjacent to the corresponding one of ...
01/24/1995
5360089Automotive suspension control system utilizing variable damping force shock absorber
A suspension control system for an automotive vehicle is provided which utilizes variable damping force shock absorbers for modifying damping force characteristics. Each of the shock absorbers has an electric motor adapted for varying an effective fluid f...
11/01/1994
5316114Damping force control type hydraulic shock absorber
A damping force control type hydraulic shock absorber capable of providing different damping force characteristics during the extension and retraction strokes when the piston speed is low. The hydraulic shock absorber has a piston having a first damping f...
05/31/1994
5310027Control system for adjusting damping force coefficient of shock absorber for automotive suspension
A control system for a damping force coefficient of a shock absorber for a vehicle suspension provides a controller for correcting the position of a step motor. The controller sets the step motor at a predetermined position in a manner to intermittently m...
05/10/1994
5307907Hydraulic damper
A hydraulic damper is disclosed which has a contraction phase one-way passage way which allows a flow of damping fluid in contraction phase, an extension phase one-way passage way which allows a flow of damping fluid in extension phase, and a valve elemen...
05/03/1994
5303803Variable dashpot for motor vehicles
A variable dashpot for motor vehicles A cylinder (2) full of vibration-suppressing fluid accommodates a piston (3). The piston is provided with vibration-suppressing valves, is fastened to a piston rod (8), and separates the cylinder into two compartments...
04/19/1994
5295705Automobile suspension including control of variable damping coefficient shock absorber
Disposed between a sprung element and an unsprung element is a shock absorber of multi-degree variable-damping-coefficient type. The change control of the damping coefficient is carried out so that an actual damping force generated by the shock absorber c...
03/22/1994
5277283Variable damping-characteristics shock absorber with adjustable orifice construction variable of fluid flow restriction depending upon fluid pressure difference
A shock absorber is provided a piston stroke speed dependent linear variation characteristics of damping force. The shock absorber includes variable orifices in tandem fashion for achieving linear variation characteristics of damping force according to va...
01/11/1994
5269558Correction of asynchronous dampers in a suspension system for a vehicle
A suspension system for a vehicle having sorbers, each provided so as to be associated with one wheel and provided between sprung parts and unsprung parts, includes step motors, each being used to change damping force characteristics of one of the shock a...
12/14/1993
5269557Suspension system for a vehicle
In a suspension system for a vehicle comprising a shock absorber of which damping force characteristics can be changed into four or more characteristics, detecting means detect the oscillation frequency range of the sprung member of the vehicle and a bump...
12/14/1993
5242038Variable damping force shock absorber
A variable damping force shock absorber comprises a pressure cylinder forming a working chamber having first and second portions operable to store damping field. A valve is provided to control a first flow of damping fluid between said first and second po...
09/07/1993
5193655Variable damping force shock absorber with feature of linear and wide range damping force variation depending upon piston stroke speed
A variable damping force shock absorber includes a cylinder defining therein first and second fluid chambers separated by a valve body. The valve body defines first and second fluid paths for fluid communication between the first and second fluid chambers...
03/16/1993
5193844Suspension system for a vehicle
In a suspension system of a vehicle which the damping force characteristic is changed into three or more characteristics, the damping force characteristic is changed step by step when the damping force characteristic selected by a given control rule is di...
03/16/1993
5172929Suspension system for a vehicle
In a suspension system for a vehicle comprising a shock absorber of which damping force characteristic can be changed into three or more characteristics, the predetermined running state of the vehicle is detected by detecting means and there is limited to...
12/22/1992
5150915Motor vehicle suspension with damper having rotatable member position feedback
A motor vehicle suspension system in which a motor drives a rotatable member through a plurality of rotational positions producing distinct damping characteristics provides a position feedback voltage on a single feedback line for low cost, easier packagi...
09/29/1992
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