Head of a glow plug provided with a pressure sensor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02P-023/00
F02B-009/08
출원번호
UP-0587653
(2005-04-19)
등록번호
US-7775187
(2010-09-06)
우선권정보
FR-04 04465(2004-04-27)
국제출원번호
PCT/FR2005/000933
(2005-04-19)
§371/§102 date
20070223
(20070223)
국제공개번호
WO05/111502
(2005-11-24)
발명자
/ 주소
Boucard, Michel
Last, Bernd
Patri, Cyrille
Ramond, Alain
Burrows, John
Goretti, Sandro
출원인 / 주소
Continental Automotive France
Federal-Mogul Ignition Srl
대리인 / 주소
Young & Thompson
인용정보
피인용 횟수 :
4인용 특허 :
12
초록▼
A glow plug includes a glow plug body (2), a pressure sensor arranged inside the glow plug body (2), a threaded portion (6) on the outside of the glow plug body (2) and gripping elements (12), generally of cylindrical form with a hexagonal section, enabling the body (2) to be gripped and screwed int
A glow plug includes a glow plug body (2), a pressure sensor arranged inside the glow plug body (2), a threaded portion (6) on the outside of the glow plug body (2) and gripping elements (12), generally of cylindrical form with a hexagonal section, enabling the body (2) to be gripped and screwed into a corresponding tapping, the gripping elements (12) being made from synthetic material.
대표청구항▼
The invention claimed is: 1. A glow plug, comprising: a glow plug body (2) formed of a first material with a threaded portion (6) formed on an outside of the glow plug body (2); a glow plug head formed of a second material connected to a first end of the glow plug body (2), an exterior of the glow
The invention claimed is: 1. A glow plug, comprising: a glow plug body (2) formed of a first material with a threaded portion (6) formed on an outside of the glow plug body (2); a glow plug head formed of a second material connected to a first end of the glow plug body (2), an exterior of the glow plug head forming a gripping means (12); a finger (4) extending from an opposite second end of the glow plug body (2); and a pressure sensor (10) arranged inside the glow plug head; wherein the gripping means (12) of the glow plug head has a generally of cylindrical form with a hexagonal section, the gripping portion being grippable to turn the glow plug in a corresponding tapping, and wherein the second material of the glow plug head is a synthetic material. 2. The glow plug according to claim 1, wherein the synthetic material is overmolded over the pressure sensor (10) and onto the first end of the glow plug body. 3. The glow plug according to claim 1, wherein the finger (4) comprises a heating electrode, and wherein the glow plug head further comprises connecting means, formed of the synthetic material, for the electrical energy supply to the heating electrode and for transmitting the signal output by the pressure sensor (10). 4. The glow plug according to claim 3, wherein the connecting means comprises a male connector (14) forming a single part with the gripping means (12). 5. The glow plug according to claim 3, wherein the connecting means comprise electrical wires, and wherein said electrical wires project from the glow plug head. 6. The glow plug according to claim 1, wherein the glow plug body (2) has striations (32) over at least a portion of a periphery of the glow plug body (2) adjacent the gripping means (12) of the glow plug head. 7. The glow plug according to claim 6, wherein the body (2) is a tubular body, and wherein the striations (32) are longitudinally oriented. 8. The glow plug according to claim 1, wherein the first material is a metal. 9. The glow plug according to claim 8, wherein the first material is steel. 10. The glow plug according to claim 1, wherein the glow plug head is formed as one piece of the synthetic material. 11. The glow plug according to claim 1, wherein a portion of the synthetic material of the glow plug head encircles an outer periphery of the first end of the glow plug body (2) to secure the glow plug head to the glow plug body. 12. The glow plug according to claim 1, further comprising: a tubular intermediate part (28) inside and coaxial with the glow plug body and having a flared formation at one end, wherein the tubular intermediate part (28) extends into the glow plug head such that the synthetic material of the glow plug head holds the flared formation to secure the glow plug head to the glow plug body (2). 13. An internal combustion engine, comprising: at least one glow plug, wherein each of said at least one glow plug comprises a glow plug body (2) formed of a first material with a threaded portion (6) formed on an outside of the glow plug body (2), a glow plug head formed of a second material connected to a first end of the glow plug body (2) with an exterior of the glow plug head forming a gripping means (12), a finger (4) extending from an opposite second end of the glow plug body (2), and a pressure sensor (10) arranged inside the glow plug head wherein the gripping means (12) of the glow plug head has a generally of cylindrical form with a hexagonal section, the gripping portion being grippable to turn the glow plug in a corresponding tapping, and wherein the second material of the glow plug head is a synthetic material. 14. The internal combustion engine according to claim 13, wherein the engine is of the Diesel engine type. 15. The internal combustion engine according to claim 13, wherein the first material is a metal. 16. The internal combustion engine according to claim 15, wherein the first material is steel. 17. The internal combustion engine according to claim 13, wherein the glow plug head is formed as one piece of the synthetic material. 18. The internal combustion engine according to claim 13, wherein a portion of the synthetic material of the glow plug head encircles an outer periphery of the first end of the glow plug body (2) to secure the glow plug head to the glow plug body. 19. The internal combustion engine according to claim 13, further comprising: a tubular intermediate part (28) inside and coaxial with the glow plug body and having a flared formation at one end, wherein the tubular intermediate part (28) extends into the glow plug head such that the synthetic material of the glow plug head holds the flared formation to secure the glow plug head to the glow plug body (2).
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이 특허에 인용된 특허 (12)
Pujos Pierre (Lissieu FRX) Sarrelongue Didier (Lyons FRX) Brand Roland (Meyzieu FRX), Bow grip.
Ruchat Rene (26a ; Chemin de Pont-Ceard CH-1290 Versoix CHX) Planche Bernard (Chemin de la Chesnaie CH-1219 Chatelaine CHX) Roch Jean (721 ; route de Vesegnin F-01280 Prevessin Moens FRX), Open and close control device for a horizontally slidable vehicle door.
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