US 12,343,749 B2
Apparatus for electrospray emission
Bradley Kaanta, Boston, MA (US); Adam Zachar, Boston, MA (US); and Louis Perna, Boston, MA (US)
Assigned to Accion Systems, Inc., Boston, MA (US)
Filed by Accion Systems, Inc., Boston, MA (US)
Filed on Mar. 29, 2021, as Appl. No. 17/216,425.
Claims priority of provisional application 63/001,026, filed on Mar. 27, 2020.
Prior Publication US 2021/0299684 A1, Sep. 30, 2021
Int. Cl. B05B 5/025 (2006.01); B64G 1/40 (2006.01); H01J 27/00 (2006.01)
CPC B05B 5/025 (2013.01) [B64G 1/413 (2023.08); H01J 27/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An electrospray apparatus comprising:
a substrate defining a channel;
a plurality of chevron shaped emitters, each emitter of the plurality defining an indentation in fluid communication with the channel, wherein a working material within the indentation is exposed to an external environment proximal the emitter, wherein a height of an emitter of the plurality of emitters is between 50 and 200 pm, and wherein the chevron shape is an open chevron shape and the emitters protrudes directly from the substrate.