1. A sawing blade comprising flat parallel sides and peripheral forward-positioned teeth as cutting elements that project laterally beyond the plane of the sides of the blade, wherein the improvement being distinct disconnected tiers, spaced apart from one another of finishing elements projecting from both sides of the blade having flat working surfaces all rubbing incrementally tier by tier against the entire kerf as the sawing action of the blade thrusts them through, and wherein each tier consist of a plurality of separately spaced finishing elements and disjoins the material addressed, with
said tiers being distinct from the peripheral forward positioned cutting elements, with
said tiers parallel to and stepping back from the plane of the continuum of the peripheral forward positioned cutting elements, with
said tiers in their receding progression from the peripheral forward positioned cutting elements projecting laterally from the center plane of the saw blade slightly further than any previous lateral projection in tier by tier increments, with
said finishing elements having similarly textured working surfaces on any individual tier, with
said tiers having dissimilar working surfaces relative to each other, with
said tiers in their receding progression from the peripheral forward positioned cutting elements having working surfaces of coarse abrasive on the first tier and progressing tier by tier to surfaces of fine abrasive and to surfaces that are smooth, with
said tiers, each in turn bearing against the entire kerf on its side of the blade, performing a distinct step in a collective finishing process, whereby
a cutting process using said sawing blade renders both newly cut surfaces with flat, abraded and burnished planes parallel to each other.
2. The sawing blade as recited in claim 1, wherein said finishing elements are elemental part of the saw blade created with the blade as it was machined.
3. The sawing blade as recited in claim 1, wherein said finishing elements are made of the same material as the saw blade.
4. The sawing blade as recited in claim 1, wherein said finishing elements are attached to the saw blade by means selected from the group consisting of welding, and brazing, and riveting, and screwing.
5. The sawing blade as recited in claim 1, wherein said finishing elements comprise design characteristics selected from the group consisting of flared sides, and square edged sides, and beveled sides.
6. The sawing blade as recited in claim 1, wherein the working surfaces of said finishing elements comprise design characteristics selected from the group consisting of, surfaced with abrasive elements, and smooth surfaced.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A 32-way valve for controlling the injection of fuel in a common rail injection system of an internal combustion engine, having a control piston (44) guided in a housing (53), in which the control piston (44), in a first switching position, opens a hydraulic connection between an injector (7) and a fuel return (42), and in a second switching position the control piston (44) opens a hydraulic connection between the injector (7) and a high-pressure fuel reservoir (3), and means for force balancing the control piston (44, 70), wherein the control piston (44, 70) has two guides, with a larger guide diameter and a smaller guide diameter; wherein the control piston (44, 70) has a control edge cooperating with the smaller guide diameter; wherein a blind bore (50, 62) is embodied in the end, remote from the control edge, of the control piston (44, 70); wherein the blind bore (50, 62) can be subjected to pressure via a bore (51); and wherein a throttle is provided in the bore (51).
2. The 32-way valve claim 1, further comprising an additional piston (52) guided in the blind bore (50, 62).
3. The 32-way valve of claim 2, further comprising a circumferential groove (73) embodied on the control piston (70), the groove (73), in the assembled state of the 32-way valve, being disposed in the region of at least one fuel return opening (68).
4. The 32-way valve of claim 2, wherein the control piston (44, 70) comprises a valve seat (46) whose diameter is equivalent to the larger guide diameter.
5. The 32-way valve of claim 2, wherein the control piston (44, 70) is prestressed by a closing spring (45).
6. The 32-way valve of claim 2, wherein the control piston (44, 70) is actuated via a piezoelectric actuator.
7. The 32-way valve of claim 1, further comprising a circumferential groove (73) embodied on the control piston (70), the groove (73), in the assembled state of the 32-way valve, being disposed in the region of at least one fuel return opening (68).
8. The 32-way valve of claim 7, wherein the control piston (44, 70) comprises a valve seat (46) whose diameter is equivalent to the larger guide diameter.
9. The 32-way valve of claim 7, wherein the control piston (44, 70) is prestressed by a closing spring (45).
10. The 32-way valve of claim 7, wherein the control piston (44, 70) is actuated via a piezoelectric actuator.
11. The 32-way valve of claim 1, wherein the control piston (44, 70) comprises a valve seat (46) whose diameter is equivalent to the larger guide diameter.
12. The 32-way valve of claim 11, wherein the control piston (44, 70) is prestressed by a closing spring (45).
13. The 32-way valve of claim 1, wherein the control piston (44, 70) is prestressed by a closing spring (45).
14. The 32-way valve of claim 1, wherein the control piston (44, 70) is actuated via a piezoelectric actuator.
15. The 32-way valve of claim 1, combination with an injection nozzle or a nozzle holder.