GB189819789A - Improvements in or Connected with Pneumatic Tyres for Wheels. - Google Patents
Improvements in or Connected with Pneumatic Tyres for Wheels.Info
- Publication number
- GB189819789A GB189819789A GB189819789DA GB189819789A GB 189819789 A GB189819789 A GB 189819789A GB 189819789D A GB189819789D A GB 189819789DA GB 189819789 A GB189819789 A GB 189819789A
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- valve
- air chamber
- wheels
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Tires In General (AREA)
Abstract
19,789. Kullberg, A. E. Sept. 17. Wheels with aircompressing appliances; tyres, pneumatic; hubs.- Means for automatically inflating a pneumatic tyre by the motion of the vehicle are shown in partial circumferential section in Fig. 1. Within the air tube A is formed a separate air chamber C, into which air is drawn from the external atmosphere through a non-return valve E, and from which air is forced into the air tube A through a second non-return valve D, when the air chamber C comes into contact with the ground. The tension of a safety-valve G is so regulated as to allow the air to pass through this valve instead of through the valve D when the tyre is fully inflated. In the modification shown in crosssection in Fig. 2, the air chamber C, which may be bellows-shaped, lies alongside the air tube A. Fig. 5 shows a further modification, in which the air chamber is replaced by a pump C, of which the piston p is operated by a clamp t. According to the Provisional Specification, the piston may be operated from an eccentric on the wheel axle, and the pump may be inside the hub. The safety-valve may have an alarm.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB189819789T | 1898-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB189819789A true GB189819789A (en) | 1899-09-16 |
Family
ID=32141917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB189819789D Expired GB189819789A (en) | 1898-09-17 | 1898-09-17 | Improvements in or Connected with Pneumatic Tyres for Wheels. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB189819789A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441757A (en) * | 1942-07-13 | 1948-05-18 | Doering Charles | Apparatus for cutting and impressing substances |
-
1898
- 1898-09-17 GB GB189819789D patent/GB189819789A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441757A (en) * | 1942-07-13 | 1948-05-18 | Doering Charles | Apparatus for cutting and impressing substances |
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