US3941109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for mounting a fuel injection nozzle
Assignee: Dr Ing HCF Porsche AG
•
Filing: 1973-08-27
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Granted: 1976-03-02
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Expires: 1993-08-27
Abstract
Abstract An arrangement for mounting a fuel injection nozzle which is arranged in an aperture of the cylinder head of an internal combustion engine; the aperture is thereby provided with a recess, by means of which a form-locking connection is established with the cylinder head by the use of an elastic part of the fuel injection nozzle.
Inventors
- 👤 Wolfgang Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:22
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/14; F02M61/145
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
93 words
In an internal combustion engine having a cylinder head and at least one fuel injection nozzle, an improved mounting arrangement for said fuel injection nozzle in said cylinder head, said improved mounting arrangement comprising: aperture means provided with respect to said cylinder head for receiving the nozzle therein, said aperture means including a recess means disposed within said aperture means, and elastic means coupled to said nozzle for form-lockingly engaging said recess means, wherein the nozzle is retained in said aperture means in a threadless and readily removable manner by said elastic means.
Claim 2
Dependent Claim
93 words
In an internal combustion engine having a cylinder head and at least one fuel injection nozzle, an improved mounting arrangement for said fuel injection nozzle in said cylinder head, said improved mounting arrangement comprising: aperture means provided with respect to said cylinder head for receiving the nozzle therein, said aperture means including a recess means disposed within said aperture means, and elastic means coupled to said nozzle for form-lockingly engaging said recess means, wherein the nozzle is retained in said aperture means in a threadless and readily removable manner by said elastic means.
Claim 3
Dependent Claim
32 words
A mounting arrangement according to claim 1, wherein said aperture means includes one of a bore in said cylinder head and a sleeve rigidly secured to said cylinder head in said bore.
Claim 4
Dependent Claim
31 words
A mounting arrangement according to claim 1, wherein said elastic means includes a ring structure mounted on said nozzle, said ring structure including a collar for matingly engaging said recess means.
Claim 5
Dependent Claim
15 words
A mounting arrangement according to claim 3, wherein said recess means includes an annular groove.
Claim 6
Dependent Claim
48 words
A mounting arrangement according to claim 3, wherein said nozzle includes an outer peripheral surface having an annular groove, and said ring structure includes an inner peripheral surface having an annular bead, said annular bead engaging said annular groove for form-lockingly connecting said ring structure to said nozzle.
Claim 7
Dependent Claim
16 words
A mounting arrangement according to claim 3, wherein said recess means consists essentially of rubber-like material.
Claim 8
Dependent Claim
30 words
A mounting arrangement according to claim 1, wherein said aperture means includes a bore in said cylinder head, said recess means being an annular groove provided in said cylinder head.
Claim 9
Dependent Claim
34 words
A mounting arrangement according to claim 1, wherein said aperture means includes a sleeve rigidly secured in a bore in said cylinder head, said recess means being an annular groove provided in said sleeve.
Claim 10
Dependent Claim
30 words
A mounting arrangement according to claim 1, wherein said aperture means includes an inlet end having a conical shape for facilitating entry of said elastic means into said aperture means.
Claim 11
Dependent Claim
34 words
A mounting arrangement according to claim 1, wherein the nozzle is form-lockingly retained within the eastic means such that the nozzle and the elastic means are removable from the cylinder head as a unit.
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-02 | 1979-09-01 | 1980-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-02 | 1983-09-01 | 1984-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-02 | 1987-09-01 | 1988-03-02 | $7700.00 | Window Closed / Lapsed |