The invention relates to a self-compensating drip irrigation emitter. A plurality of novel embodiments are provided, wherein the emitter of the invention is capable of always supplying a substantially constant flow within a range of pressures of a fluid flowing in a pipe (3), from very low to very high...http://www.google.fr/patents/US6945476?utm_source=gb-gplus-shareBrevet US6945476 - Self-compensating drip irrigation emitter