EP0052265B1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Direct current power source
Assignee: Ingenieurkontor Luebeck Prof Gabler Nachf GmbH
•
Filing: 1981-10-26
•
Granted: 1986-03-05
•
Expires: 2001-10-26
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Dr. Gutbier
- 👤 Elmar Limberg
- 👤 Karl Dipl.-Ing. Strasser
- 👤 Volker Jensen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 12:30
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/12; B63H21/17; B63H23/00; B63H23/22; B63H23/24; H; H01; H01M; H01M16/00; H01M16/003; H01M16/006; H01M8/00; H01M8/04; H01M8/04082; H01M8/04089; H01M8/04223; H01M8/04228; H01M8/04298; H01M8/04694; H01M8/04746; H01M8/04753; H01M8/04858; H01M8/04895; H01M8/0491; H01M8/04955; H01M2250/00; H01M2250/20; H01M8/24; H01M8/249; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50; Y02T; Y02T70/00; Y02T70/50; Y02T90/00; Y02T90/40
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
66 words
A d. c. electric source with fuel cells or fuel batteries connected in series, or in series and in parallel, characterised in that each fuel cell or fuel battery has its own gas supply and all the gas supply lines contain controllable valves, and that like-poled outputs of series connected fuel cells or fuel batteries are connected via an electric control element to a like-named busbar.
Claim 2
Dependent Claim
66 words
A d. c. electric source with fuel cells or fuel batteries connected in series, or in series and in parallel, characterised in that each fuel cell or fuel battery has its own gas supply and all the gas supply lines contain controllable valves, and that like-poled outputs of series connected fuel cells or fuel batteries are connected via an electric control element to a like-named busbar.
Claim 3
Dependent Claim
18 words
A d. c. source as claimed in Claim 1. characterised in that the electric control elements are diodes.
Claim 4
Dependent Claim
19 words
A d. c. source as claimed in Claim 1, characterised in that the electric control elements are themselves controllable.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.