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Nivex Petrol gauge help request

Leo 'Lancia' Schildkamp writes: "I would like to ask a question the international community of classic car afficionado's. Amongst all these people, might there be anyone who has a brochure or a manual of a Nivex tank level meter to share on these pages? Or maybe someone who can explain to me how this works and what I'm missing? What I do know: the pump has a valve with two exits. One of them is connected to the meter and the other one goes to the fueltank. And that's where my problem starts."

Editor: Correct Leo, that's where the problem starts. What you're missing is the vacuum mebrane discussed here a few years ago. A good explanation of the Nivex system is to be found here at CarCrank.org. Still we hope for Leo (and also for ourselves, as we have the same set-up in our Amilcar) to find a manual or detailed tech description. 'Le Nivex' is also seen on Alfa Romeo, Bugatti, Delage, Hispano Suiza and more.

An update by Christoph Röhrs:
I have recently purchased an installation instruction together with a description of the function in Italy, and unfortunately also in the Italian language. It covers a fuel gauge NIVEX "Stabilex" Tipo "S" of 1932. The pictures(picture 1 and picture 2) show a significantly different, simpler fuel sender unit, which is also very reminiscent of the Hobson or King-Seeley configuration. At the same time I received a similar sheet of a corresponding oil level indicator, the existence of which was new to me.
 

Originally published on Sept 30, 2015

   

 

Gepubliceerd:
maandag december 11th, 2023
Leo Schildkamp
12 December 2023, 13:18
The big tube is to the Weymann exhausteur.
The small tube is to the Nivex pump.
The drum is to prevent petrol flowing to Nivex pump.
Lees verder
Wilfried Brunner
11 December 2023, 19:14
Hi there, this little canister above the tank is in my opinion just a gasoline absorber, so that no gasoline can go through this very small tube to the pump/Manometer. You will find such an absorber on every compressor refrigerator on the back side, it looks like a little bomb.

Regards,
Ex-Lambda owner Wilfried Brunner
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Leo Schildkamp
11 December 2023, 17:24
That was a long time ago, now the car is ready and I have installed the Nivex system on the car. The tank part is our own construction. If I can help someone, I'd like to do so. I have documentation in French.
Photos of an original installation in a Lancia Lambda.
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Onbekend
27 April 2016, 17:31
The Nivex Tipo S was also fitted to the Lancia Augusta. I would appreciate to get a copy of the documentation Christoph Röhrs found, as the pictures provided perfectly fit. Please let me know how I can get into contact, as I need to repair that system.
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Onbekend
13 October 2015, 17:06
Here is the Curt Borgenstam article:
http://cottindesgouttes.free.fr/Contributeurs/JohnCherry/Nivex%20Gauge%20-%20this%20type%20believed%20used%20on%20Cottin%206%20cyl%20car%20and%20also%20used%20on%20Delarges.jpg
Cheers
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Christoph Röhrs
08 October 2015, 12:58
[quote name="werner schuepferling"].... I have a French description, not in a file but Ican make Pictures of it.
Please let me know.I am also interested in Nivex parts !!!

Best regards Werner[/quote]

Hello Werner, I´m very interested in some Pics of your french description. If possible, please send these to > notwender *at* yahoo.de
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Onbekend
08 October 2015, 10:40
There are two Nivex Systems, one with the above mentioned Membrane and one with the pictured System used in the Lambda. I have a French description, not in a file but Ican make Pictures of it.
Please let me know.I am also interested in Nivex parts !!!

Best regards Werner
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Andries Gerritsen
11 December 2023, 07:48
Hi,
I recently bought myself a Lancia Lambda 8th series 1928. As I am reading and collecting as much as possible to understand my car; I came across this topic regarding the Nivex system. Mine is working perfect. And glad to read the explanations on its functioning. Would it be possible to obtain or have a picture of the schematics or brochure of technical drawings of this system as used on the Lambda?
Thank you!
Rgds,
Andries
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Onbekend
03 October 2015, 11:21
Hi, the late Swedish Bugattiste Curt Borgenstam wrote an article about the Nivex and its function in Bugantics (No 41/4, winter 1978) which included some explaining sketches. I'd happily scan/mail it - to which address?
Peter

editor: hi Peter, that would be great! Best would be to send it here to share with everybody involved:
http://www.prewarcar.com/magazine/letters-to-the-editor/
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Onbekend
02 October 2015, 11:04
Quoting Donald Hill: Can Donald give us contact details of the French supplier, please?

editor:
Hi Chris, sorry but we cannot allow the blog to be used for buying and/or selling. However the supplier is welcome to post a First Free Advert. As soon the advert is in we will link from this posting to the advert.
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Leo Schildkamp
02 October 2015, 04:51
[quote name="Shahzeb"]Hi,

I have the brass unit on my Amilcar fuel tank top, and two sided outlet at the bottom. I bought a correct looking Jaeger fuel gauge matching with the speedometer and clock on the dashboard but don't know how to make it work. I though I would ask Joris in China rally to have a look at the complete system and let me know if I am missing anything or would it ever work..[/quote]
Can you please send me a picture from this brass unit you have. Leo
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Leo Schildkamp
02 October 2015, 04:48
[quote name="Jak Guyomar"]Hallo Lancia Leo--- Fellow Lambda owner?
There is a small canister that goes approx.200 mm above the fuel tank with a connection to a pipe that goes to the bottom of the tank. The other connection to the dash pump goes to this canister. When the plunger is pulled out a vacuum is formed in the canister & fuel is pulled up the pipe in the tank & the pipe to the canister. When the pump plunger goes back the gauge measures the pressure in the line which varies according to the fuel level in the tank. The gauge is a VERY sensitive anaroid barometer. I will shortly take a photo of the canister unit. It is approx. 100 mm long by 25mnm diameter.[/quote]
Thanks for the info, a picture sure would help. Leo
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Leo Schildkamp
02 October 2015, 04:45
[quote name="Donald Hill"]All Nivex parts are available new in France

editor: a great opportunity for the seller to show up here where everybody needs them ![/quote]
Do you have his adress? Leo
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Leo Schildkamp
02 October 2015, 04:44
[quote name="Shahzeb"]Can we buy the Spring loaded hand pump that goes on the dashboard from somewhere??[/quote]
No sorry I need it my self. Leo
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Leo Schildkamp
02 October 2015, 04:43
[quote name="Christoph Röhrs"]I have recently purchased an installation instruction together with a description of the function in Italy, and unfortunately also in the Italian language. It covers a fuel gauge NIVEX "Stabilex" Tipo "S" of 1932. The pictures show a significantly different, simpler fuel sender unit, which is also very reminiscent of the Hobson or King-Seeley configuration. At the same time I received a similar sheet of a corresponding oil level indicator, the existence of which was new to me.[/quote]
If it is possible for you please send me a copy af these items or let me know how I could obtain a copy. [email protected]
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Christoph Röhrs
01 October 2015, 12:41
I have recently purchased an installation instruction together with a description of the function in Italy, and unfortunately also in the Italian language. It covers a fuel gauge NIVEX "Stabilex" Tipo "S" of 1932. The pictures show a significantly different, simpler fuel sender unit, which is also very reminiscent of the Hobson or King-Seeley configuration. At the same time I received a similar sheet of a corresponding oil level indicator, the existence of which was new to me.
Lees verder
Onbekend
01 October 2015, 12:09
Can we buy the Spring loaded hand pump that goes on the dashboard from somewhere??
Lees verder
Onbekend
01 October 2015, 08:31
All Nivex parts are available new in France

editor: a great opportunity for the seller to show up here where everybody needs them !
Lees verder
Onbekend
01 October 2015, 07:45
Further to my previous comment-------It is interesting that many gauges & pumps are saved BUT nobody seems to bother to salvage the associated tank canister.
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Onbekend
01 October 2015, 07:39
Hallo Lancia Leo--- Fellow Lambda owner?
There is a small canister that goes approx.200 mm above the fuel tank with a connection to a pipe that goes to the bottom of the tank. The other connection to the dash pump goes to this canister. When the plunger is pulled out a vacuum is formed in the canister & fuel is pulled up the pipe in the tank & the pipe to the canister. When the pump plunger goes back the gauge measures the pressure in the line which varies according to the fuel level in the tank. The gauge is a VERY sensitive anaroid barometer. I will shortly take a photo of the canister unit. It is approx. 100 mm long by 25mnm diameter.
Lees verder
Onbekend
01 October 2015, 07:11
The pump has 1 exit. The Nivex senderunit has 2 connections. One accepting the pressure from the pump on the daash and the other one accepting the pressure from the petroltank being expressed in litres on the gauge.
Leo contact: [email protected] if you wish.
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Onbekend
01 October 2015, 06:28
I believe Panhard et Levassor used a similar system. They all seem to be about the same period, same technology.
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Onbekend
01 October 2015, 06:25
Hi,

I have the brass unit on my Amilcar fuel tank top, and two sided outlet at the bottom. I bought a correct looking Jaeger fuel gauge matching with the speedometer and clock on the dashboard but don't know how to make it work. I though I would ask Joris in China rally to have a look at the complete system and let me know if I am missing anything or would it ever work..
Lees verder
Onbekend
01 October 2015, 01:50
It is simply a pressure gauge. It measures the pressure required to force the fuel out of the tube that sits inside the tank, almost touching the bottom of the tank.

The more fuel in the tank, the more pressure required to force the fuel out. The pump is 'spring-loaded', and when pulled out, keeps an even pressure in the line to the tank. Hope this is clear.
Lees verder

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