Setting device having a temperature sensor

Patent metadata

Field	Value
Publication number	US-10406665-B2
Application number	US-201415038083-A
Country	US
Kind code	B2
Filing date	Nov 25, 2014
Priority date	Nov 26, 2013
Publication date	Sep 10, 2019
Grant date	Sep 10, 2019

Abstract

A setting device is provided, comprising a housing, a combustion chamber having an ignition apparatus, a storage container having a container wall for storing fuel, a dosing apparatus for adding a specified volume of fuel to the combustion chamber, an apparatus, such as a firing pin, for inserting a setting element into a setting object, wherein a setting force can be applied to the apparatus as a result of the pressure of combustion gas such that the apparatus is operable by combustion force, a control unit, and a temperature sensor for detecting the temperature of the fuel in the storage container. The setting device is designed such that, while the storage container is connected to the setting device, the temperature sensor mechanically contacts an outer surface of the container wall, for indirect detection of the temperature of the fuel.

First claim

The invention claimed is:

1. A setting device comprising
a housing,
a combustion chamber having an ignition apparatus,
a storage container for containing fuel, the storage container having a container wall having an outer surface,
a metering apparatus for feeding a predetermined quantity of the fuel to the combustion chamber,
an apparatus for introducing a setting element into a setting object, wherein a setting force can be applied to the apparatus due to pressure of ignited fuel in the combustion chamber such that the apparatus can be operated by combustion force,
a control unit,
a temperature sensor for detecting temperature of the fuel inside the storage container, and,
an elastic element operatively connected mechanically to the temperature sensor, and the temperature sensor is movably mounted on the setting tool such that the temperature sensor is pressed by a force exerted by the elastic element on the temperature sensor against the outer surface of the container wall;
wherein, when the storage container is connected to the setting device, the temperature sensor is in mechanical contact with the outer surface of the container wall to indirectly detect the fuel temperature.

2. The setting device according to claim 1 , wherein the elastic element has a first, immovable end portion connected to the housing, and a second, movable end portion mechanically connected to the temperature sensor.

3. The setting device according to claim 1 , wherein the storage container comprises a top wall, and the setting device further comprises a withdrawal device on the top wall for conducting the fuel out of the storage container.

4. The setting device according to claim 3 , wherein the storage container comprises a bottom wall, and the temperature sensor is in mechanical contact with the outer surface of the container top wall or the container bottom wall to indirectly detect the fuel temperature.

5. The setting device according to claim 3 , wherein the storage container has an interior, and the setting device comprises a receiving device for fluid-tight connection of the interior of the storage container to the metering apparatus.

6. The setting device according to claim 5 , wherein when the storage container is connected to the setting device, the withdrawal device on the storage container is connected mechanically and fluid-conductively to the receiving device on the setting device.

7. The setting device according to claim 5 , wherein the elastic element has a first, immovable end portion connected to the setting device, and a second moveable end portion mechanically connected to the temperature sensor, and in order to connect the withdrawal device on the storage container to the receiving device, the storage container is moveable in a connecting direction toward the receiving device and the connecting direction is aligned substantially parallel to the movement direction of the elastic element and/or substantially parallel to an imaginary straight line through the first and second end portions of the elastic element.

8. The setting device according to claim 1 , wherein
the fuel is stored in a liquid or gaseous aggregate state in the storage container
and/or
the setting element is a nail or a bolt
and/or
the setting device comprises a magazine for storing a plurality of setting elements
and/or
the setting device comprises a control unit
and/or
the setting device comprises a temperature sensor for detecting temperature of surroundings at the setting device
and/or
the setting device comprises a pressure sensor for detecting pressure of the fuel inside the storage container
and/or
the metering apparatus can be controlled and/or regulated by a control unit
and/or
the combustion chamber is delimited by a movable piston and the setting force is applied to the apparatus using the piston
and/or
the temperature sensor for detecting the temperature of the fuel in the storage container comprises first and second materials having different thermal conductivity, and a first material having the higher thermal conductivity is arranged facing the storage container on a first part of the temperature sensor and a second material having the lower thermal conductivity is arranged facing away from the storage container on a second part of the temperature sensor
and/or
the setting device has a storage container compartment for the storage container.

9. A method for setting a setting element into a setting object using a setting device, the setting device comprising a housing; a combustion chamber having an ignition apparatus; a storage container for containing fuel, the storage container having a container wall having an outer surface; a metering apparatus for feeding a predetermined quantity of the fuel to the combustion chamber; an apparatus for introducing a setting element into a setting object, wherein a setting force can be applied to the apparatus due to pressure of ignited fuel in the combustion chamber such that the apparatus can be operated by combustion force, a control unit; and a temperature sensor for detecting temperature of the fuel inside the storage container; wherein, when the storage container is connected to the setting device, the temperature sensor is in mechanical contact with the outer surface of the container wall to indirectly detect the fuel temperature;
the method comprising setting the setting element on the setting object; igniting the fuel in the combustion chamber, wherein a temperature and a pressure of gas in the combustion chamber are increased by a combustion process of the fuel in the combustion chamber, and applying the setting force to the apparatus, such that the setting force is transmitted by the apparatus to the setting element, and setting the setting element into the setting object, the method including pressing the temperature sensor by an elastic element against the outer surface of the container wall of the storage container and indirectly detecting the temperature of the fuel in the storage container by detecting the temperature of the outer surface of the container wall of the storage container.

10. The method according to claim 9 , including bringing the temperature sensor into mechanical contact with the outer surface of the container wall of the storage container
and/or
contacting the outer surface of the container wall of the storage container with the temperature sensor during detection of the temperature.

11. The method according to claim 9 , including mechanically contacting the temperature with the outer surface of the container wall of the storage container during mechanical and fluid-conductive connecting of a withdrawal device on the storage container to a receiving device on the setting device.

12. The method according to claim 9 , including moving the storage container in a connecting direction relative to the receiving device on the setting device and simultaneously moving the elastic element substantially parallel to the connecting direction and/or simultaneously moving the temperature sensor substantially parallel to the connecting direction, during mechanical and fluid-conductive connecting of the withdrawal device on the storage container to the receiving device.

13. The setting device of claim 1 , wherein the apparatus for introducing the setting element into the setting object comprises a striking pin.

14. The setting device according to claim 3 , wherein the elastic element has a first, immovable end portion connected to the setting device, and a second, movable end portion mechanically connected to the temperature sensor.

15. The setting device

Assignees

• Hilti Ag

Inventors

• Dittrich Tilo
• Heeb Norbert
• Stauss-Reiner Peter

Classifications

• B25C1/08 Primary

  operated by combustion pressure · CPC title

• B25F5/00

  Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for · CPC title