Patent US4018098A successfully refreshed from Google Patents.
US4018098A
Expired / Lapsed
US
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Exhaust gas return valve actuating rod
Assignee: Volkswagen AG
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Filing: 1976-03-04
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Granted: 1977-04-19
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Expires: 1996-03-04
Abstract
Abstract An actuating rod for interconnecting a throttle with an exhaust gas return valve has first and second rod portions which are interconnected in force transmitting relation by a spring. The second rod portion is bent to extend parallel to the first rod portion over part of its length and has a loop surrounding the first portion and engaging the spring.
Inventors
- 👤 Alfred Beier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:44
CPC Classifications
F; F02; F02M; F02M26/00; F02M26/52; F02M26/63; F02D; F02D9/00; F02D9/02; F02D2009/0201; F02D2009/0276; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32475; Y10T403/32483; Y10T403/71; Y10T403/7152; Y10T74/00; Y10T74/20; Y10T74/20006; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
77 words
An actuating rod for interconnecting a throttle with an exhaust gas return valve, comprising; a first rod portion; a second rod portion, having a first section axially aligned with said first rod portion, and a second section having an axis essentially parallel to said first rod portion, the end of said second section having a first loop surrounding said first rod portion; and a spring concentrically surrounding said first rod portion and acting upon said first loop.
Claim 2
Dependent Claim
77 words
An actuating rod for interconnecting a throttle with an exhaust gas return valve, comprising; a first rod portion; a second rod portion, having a first section axially aligned with said first rod portion, and a second section having an axis essentially parallel to said first rod portion, the end of said second section having a first loop surrounding said first rod portion; and a spring concentrically surrounding said first rod portion and acting upon said first loop.
Claim 3
Dependent Claim
27 words
An actuating rod as specified in claim 1 wherein said spring is arranged between said first loop and a retaining ring fixed to said first rod portion.
Claim 4
Dependent Claim
36 words
An actuating rod as specified in claim 2 wherein said second rod portion has a second loop surrounding said first rod portion adjacent said retaining ring on the side of said ring away from said spring.
Claim 5
Dependent Claim
32 words
An actuating rod as specified in claim 3 wherein each of said loops is formed by bending said second rod portion to form said loop in a plane perpendicular to said axis.
Claim 6
Dependent Claim
29 words
An actuating rod as specified in claim 1 wherein said first loop is provided with a tubular guide sleeve concentric to said first rod portion for guiding said spring.
Claim 7
Dependent Claim
25 words
An actuating rod as specified in claim 1 wherein there is provided a stop for said first loop, adjustably located on said first rod portion.
Claim 8
Dependent Claim
24 words
An actuating rod as specified in claim 6 wherein said stop comprises a nut adjustable along a threaded surface on said first rod portion.
References Cited (Backward Citations)
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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) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |