The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1980
Filed:
Jan. 24, 1979
Richard Bauder, Neckarsulm, DE;
Abstract
A fuel injection jet for combustion engines has an injection head and a spring biased jet needle adapted to reciprocate towards and away from a conical needle valve seat provided by the injection head. Jet bores are provided in the injection head in at least two planes and are released in sequence upon reciprocation of the jet needle with increased fuel pressure. At least one jet bore emanates from the conical needle seat in order that it may be completely released even after slightest lifting of the jet needle to be fully admitted with fuel for atomization during injection. For the fuel supply exceeding the requirement beyond the idling and lower partial load range, the jet needle may be provided with a pin which is guided in a pocket bore of the injection head. This pocket bore is rearwardly of the needle seat and one or more jet bores adapted to be covered by the pin communicate therewith and are adapted to be closed when the pin is in the bore. With increased output requirements and consequently fuel pressure the bores covered by the pin are released. A channel network may be incorporated to interconnect the fuel supply channel and the jet bores.