1、Propulsion systems for spacePatent insight reportMay 2024PROPULSION SYSTEMS FOR SPACE PATENT INSIGHT REPORTepo.org|02ContentsExecutive Summary 031.Space propulsion 061.1.Introduction to the propulsion market .061.2.Propulsion as a key enabler.061.3.Space propulsion systems.081.3.1.Chemical propulsio

2、n.081.3.2.Electric propulsion .091.3.3.Alternative space propulsion .101.3.4.Technology developments.111.4.The study.121.5.Using patent information.131.6.Methodology.132.Analysis of patents 152.1.Breakdown by region.152.1.1.International breakdown.152.1.2.Europe-specific findings.212.2.Divided by pr

3、opulsion principles.252.2.1.Overall picture.252.2.2.Chemical propulsion.282.2.3.Electric propulsion.322.2.4.Alternative propulsion concepts.362.2.5.Propellants.383.Conclusion 41Glossary and notes 43Contents|Executive summary|1.Space propulsion|2.Analysis of patents|3.Conclusion|Glossary and notesPRO

4、PULSION SYSTEMS FOR SPACE PATENT INSIGHT REPORTepo.org|03Contents|Executive summary|1.Space propulsion|2.Analysis of patents|3.Conclusion|Glossary and notesExecutive SummaryPropulsion is a key element in all space activities because it provides the fundamental function of producing thrust to move la

5、unchers,satellites,and other assets from Earth to space or within space.Space propulsion encompasses different principles,most prominently chemical and electric propulsion concepts as well as alternative and emerging concepts accompanied by a variety of propellants and even“fuel-less”concepts,such a

6、s solar sails.The significance of propulsion capabilities stems from their transversal enabling role for a spectrum of applications,including access to space;collision avoidance;on-orbit servicing,assembly,manufacturing and space exploration.For this study a total number of 4559 patent families file